donations make people happier: evidence from the wenchuan ... · 2 wenchuan earthquake the wenchuan...
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Donations Make People Happier: Evidencefrom the Wenchuan Earthquake
Qianping Ren1 · Maoliang Ye2
Accepted: 7 January 2016 / Published online: 19 January 2016© Springer Science+Business Media Dordrecht 2016
Abstract We examine the effect of donation on the happiness of donors using the 2010
wave of the China Family Panel Study. We consider data from the Wenchuan earthquake,
which has induced a large amount of donations from all Chinese communities. We use two
measures of donation behavior, namely, donations for victims of the Wenchuan earthquake
and for general purposes. We address the endogeneity problem using the percentage of
donation in the community the respondent lives in as the instrumental variable, conditional
on the generosity of other residents toward each other in the same community. We also
employ the propensity score matching method to check for the robustness of our results.
All results show that donation has a significantly positive effect on happiness. Our study
provides new evidence on the relationship between donation and happiness using natural
observations, which complement the experimental evidence in the recent literature.
Keywords Happiness · Donation · Wenchuan earthquake
JEL Classification I31 · D12 · A12
Shifting from buying stuff to buying experiences, and from spending on yourself to spending on others, canhave a dramatic impact on happiness.
(Dunn and Norton 2013)
& Maoliang [email protected]
Qianping [email protected]
1 Beijing IQIYI Technology Ltd., Baidu Company, Beijing, China
2 Department of Public Finance, School of Economics, Wang Yanan Institute for Studies inEconomics, and Key Laboratory of Econometrics (Xiamen University), Ministry of Education,Xiamen University, Xiamen 361005, Fujian Province, People’s Republic of China
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Soc Indic Res (2017) 132:517–536DOI 10.1007/s11205-016-1233-5
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1 Introduction
This study investigates the effect of donation on the happiness of donors. One motivation
originates from the central questions in “happiness economics:” whether money buys
happiness and how to effectively increase an individual’s happiness level using money.
Various studies have shown that richer individuals feel happier than the poor in a country
for a given period (Easterlin 1974, 1995, 2001; Diener et al. 1999; Gardner and Oswald
2001, 2007; Lindahl 2005; Kahneman et al. 2006; Apouey and Clark 2010; Crabtree and
Wu 2011; Easterlin et al. 2012; Li et al. 2014). However, the Easterlin paradox suggests
that over time subjective well-being does not improve with income (Easterlin 1974, 1995,
2001; Veenhoven 1994; Oswald 1997; Easterlin and Sawangfa 2010).1 For example, China
has an important developing economy and is the most populous country worldwide.
Several studies have reported that the happiness or life satisfaction of Chinese people has
not improved, although China has shown remarkable economic growth for the past three
decades (Burkholder 2005; Brockmann et al. 2009; Crabtree and Wu 2011; Knight and
Gunatilaka 2011; Easterlin et al. 2012).2
Frank (2004) provides an explanation for the Easterlin paradox: people pour their
increased wealth into things that do not remarkably contribute to lasting happiness, such as
purchasing costly consumer goods.3 In addition, Dunn and Norton (2013) suggest that one
of the key principles of the “right” ways to boost happiness is “shifting from buying stuff to
buying experiences, and from spending on yourself to spending on others.” In an exper-
iment, Dunn et al. (2008) show that participants randomly assigned to spend money on
others experienced higher happiness than those assigned to spend money on themselves.
Survey data also confirm this experimental result (Dunn et al. 2008; Aknin et al. 2012;
Aknin et al. 2013b). Similarly, Konow and Earley (2008) demonstrate that generosity is
positively correlated with various self-reported measures of long-run subjective well-
being.
Another motivation of our study comes from the literature on charitable behavior
(donation or volunteering) and its relationship with happiness. Pure and impure altruism
can theoretically motivate individuals’ donations and boost subjective well-being.4
Empirical studies have found a positive relationship between individuals’ pro-social
1 However, Stevenson and Wolfers (2008) find contrasting results. Easterlin (2005), Veenhoven andHagerty (2006), Easterlin et al. (2010), and Sacks, Stevenson, and Wolfers (2012, 2013) continue the debateabout the Easterlin paradox.2 However, Liu et al. (2013) examine a shorter and recent period of 2003–2010 and report that the happinessof Chinese has improved during this period using the Chinese General Social Survey.3 Other explanations include rising aspirations (Easterlin 1995, 2001; Frey and Stutzer 2002a, b; Stutzer2004; Knight and Gunatilaka 2012), changing reference groups (Easterlin 1974, 1995, 2001; Clark andOswald 1996; Ferrer-i-Carbonell 2005; Fafchamps and Shilpi 2008; Knight et al. 2009; Knight andGunatilaka 2010; Knight and Gunatilaka 2011) and deteriorated social safety net (Easterlin et al. 2012).4 Pure and impure altruism can affect individuals’ donation behavior and happiness. Pure altruism is usuallyexpressed as one person’s preference for others’ material or psychic benefit, with no expectation of anycompensation or benefits, either direct or indirect. Impure altruism, which involves “warm glow” (Andreoni1989, 1990), indicates that the donor’s preference for giving per se produces a pleasurable feeling. Empiricalevidence supports either pure or impure altruism, or both of them. For example, Aknin et al. (2013a)demonstrate that the emotional benefits of spending money on others are evident only when givers are awareof their positive influence on recipients, which suggests the pure altruism motive for donation. By contrast,Crumpler and Grossman (2008) find that warm glow giving exists and motivates a substantial proportion ofall giving. Harbaugh et al. (2007) find that pure and impure altruism contribute to charitable donations usingneural evidence of reward and self-reported subjective well-being in an fMRI study of charitable giving.
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activities and happiness (Brooks 2006; Borgonovi 2008; Aknin et al. 2013b) or life sat-
isfaction (Meier and Stutzer 2008; Binder and Freytag 2013).
In this study, we consider the Wenchuan earthquake, which has induced a large
amount of donations among Chinese. Thus, we explore the relationship between donation
and happiness using a natural phenomenon. We address the endogeneity concern on the
donation behavior by employing the percentage of donation in the community where the
respondent lives as the instrumental variable of the respondent’s donation. The rationale
for this instrumental variable is that solicitation (Andreoni et al. 2011) and request to
giving (Yoruk 2008, 2009, 2012) play important roles in the decision of donation and
arguably do not directly influence potential donors’ happiness. Moreover, community
donation percentage serves as an indicator of such solicitation and social factors.
However, living with more generous neighbors may improve happiness.5 Thus, we
control the generosity of other residents toward each other in the same community.
Conditional on this type of within-community generosity, the community percentage of
outward donation plausibly affects the resident’s happiness only through his/her donation
behavior.
All ordinary least square (OLS), ordered probit, two-stage least square (2SLS), and
propensity score matching estimates suggest that donation has a positive effect on hap-
piness. This result is robust to various measures of donation behavior. Our study provides
new evidence on the relationship between donation and happiness using natural observa-
tions, which complement the experimental evidence in the recent literature.
The rest of the paper is organized as follows. Section 2 introduces the Wenchuan
earthquake. Section 3 describes the data and empirical strategy used in this paper. Section 4
presents the estimation results. Section 5 shows the conclusions.
2 Wenchuan Earthquake
The Wenchuan earthquake (Wenchuan da dizhen) was a deadly earthquake that occurred on12 May 2008 and measured at 8.0 Ms6 and 7.9 Mw.7 This phenomenon was one of the
most destructive earthquakes in the history of China and the 21st deadliest earthquake of
all time. Strong aftershocks, some of which exceeded 6 Ms, continued to be felt in the area
even months after the main quake, causing new casualties and damages. Official fig-
ures stated that 69,196 were confirmed dead and 374,176 were injured, with 18,379 listed
as missing.8 The earthquake left about 4.8 million people homeless, although the number
could reach 11 million.9 Approximately 15 million people lived in the affected area. The
5 Yip et al. (2007) find that reciprocity and mutual help improve subjective well-being.6 Magnitude of Sichuan earthquake revised to 8.0. (2008, May 18). XinhuaNewsAgency. http://www.china.org.cn/environment/news/2008-05/19/content_15326773.htm, last accessed on December 12, 2015.7 Magnitude 7.9—Eastern Sichuan, China. (2008, May 12). USGS. http://earthquake.usgs.gov/earthquakes/eqinthenews/2008/us2008ryan/, last accessed on December 12, 2015.8 各地伤亡汇总 [Casualties of the Wenchuan Earthquake] (in Chinese). (2008, July 21). http://news.sina.com.cn/pc/2008-05-13/326/651.html, last accessed on December 12, 2015. And汶川地震已造成 69,196人遇难 18,379人失踪_新闻中心_新浪网 [Wenchuan Earthquake has already caused 69,196 fatalities and18,379 missing] (in Chinese). (2008, July 6). http://news.sina.com.cn/c/2008-07-06/162615881691.shtml,last accessed on December 12, 2015.9 Hooker, J. (2008, May 26). Toll Rises in China Quake. New York Times. http://www.nytimes.com/2008/05/26/world/asia/26quake.html, last accessed on December 12, 2015.
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reported official estimates of insurers’ losses from the earthquake reached US$1 billion,
and estimated total damages exceeded US$20 billion.10
People both in China and foreign countries donated immediately and actively because
of the catastrophe caused by the earthquake. The Ministry of Civil Affairs stated that
76.02 billion yuan (including cash and goods, approximately US$11.13 billion) was
donated inside and outside the country,11 including 4.185 billion yuan in the first week.12
Moreover, the cash contributions from donations from sources outside China (excluding
Hong Kong, Macau, and Taiwan) exceeded a total of 4.4 billion yuan (approximately US
$644.3 million).13
3 Data and Empirical Methods
3.1 Data
We use the data from the 2010 wave of the China Family Panel Studies (CFPS), a (nearly)
national probability sample of Chinese families conducted by the Institute of Social Sci-
ence Survey, Peking University, P. R. China.14 In the 2010 wave, 14,960 households were
included in the sample, and interviews were conducted with all family members aged
10 years or above (see Xie et al. 2012 for details of the sampling design). In this study, we
use the adult sample with merged family and community information. Thus, we use a total
of 19,967 observations with complete information in our study. The summary statistics are
presented in Table 1.
Overall, 70.4 % of respondents donated for the Wenchuan earthquake between May
2008 and the time of survey in 2010. The donation percentage is 27.1 % for the general
donation behavior in the single year of 2009. The average Wenchuan earthquake donation
percentage of each community is 70.8 %, whereas the average general donation percentage
of each community in 2009 is 28.7 %. We have two variables that indicate the generosity
of community neighbors toward each other rather than outside recipients. The average
percentage of giving foods or presents to each other among respondents in the community
other than the respondent is 13.27 %, and the percentage of helping each other is 28.35 %.
The mean age of respondents is approximately 45 years, and 56.6 % of the respondents are
male.
Our dependent variable is individual self-reported happiness. The happiness variable is
measured from the question in the survey “How happy do you feel about yourself in
10 Earthquake estimates as high as $1 billion: AIR. (2008, May 14). http://www.businessinsurance.com/apps/pbcs.dll/article?AID=9999200012955, last accessed on December12, 2015.11 The 135th announcement of the Ministry of Civil Affairs. (2009, March 20). http://www.mca.gov.cn/article/zwgk/tzl/200903/20090300028395.shtml, last accessed on December 12, 2015.12 Hilgers, L. (2008, August 11). Giving in China. http://balkin.blogspot.ca/2008/08/giving-in-china_11.html, last accessed on December 12, 2015.13 国际社会向中国地震灾区提供了四十四亿现金援助 [The International Society had donated 4.4 billionyuan for rescue efforts in Sichuan earthquake area] (in Chinese). (2009, May 11). http://www.chinanews.com/cj/kong/news/2009/05-11/1686035.shtml, last accessed on December 12, 2015.14 The survey covered 24 provinces or municipalities. Tibet, Qinghai, Xinjiang, Ningxia, Inner Mongolia,and Hainan were excluded from the sample to reduce costs, but together they make up only 5 % of thepopulation (Xie et al. 2012, p. 14).
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Table 1 Summary statistics of key variables
Variable Definition Mean (anddeviation)
Happiness In the scale of 1 to 5, from very unhappy to very happy ingeneral
3.825 (1.006)
Donation variables
Earthquake donation “1,” if the respondent’s family donated for the Wenchuanearthquake victims
0.704 (0.457)
General donation “1,” if the respondent’s family donated in 2009 0.271 (0.444)
Community earthquakedonation percentage
Percentage of donation behavior in the community where therespondent lives for the Wenchuan earthquake victims
70.84 (%)(25.083)
Community generaldonation percentage
Percentage of general donation behavior in the communitywhere the respondent lives in 2009
28.72 (%)(21.110)
Log (earthquake donationamount)
Logarithm of the respondent’s donation amount for theWenchuan earthquake victims
2.977 (2.285)
Log (general donationamount)
Logarithm of the respondent’s donation amount in 2009 1.218 (2.144)
Demographic and socioeconomic variables
Log (self-income) Logarithm of the respondent’s income in 2009 8.762 (1.626)
Age Age of the respondent 44.947(14.403)
Age2 Age 9 age 2227.698(1379.127)
Male “1,” if the respondent is male 0.566 (0.496)
Urban “1,” if the community is labeled urban by the NationalBureau of Statistics
0.489 (0.500)
Years of schooling Years of schooling 6.663 (4.871)
Employed “1,” if the respondent is employed 0.642 (0.479)
Married “1,” if the respondent is married 0.849 (0.359)
Cohabiting “1,” if the respondent is cohabiting 0.003 (0.053)
Divorced “1,” if the respondent is divorced 0.015 (0.122)
Widowed “1,” if the respondent is widowed 0.043 (0.203)
Religious “1,” if the respondent participates in a religion organization 1.11 %(0.105)
Health In the scale of 1 to 5, from very unhealthy to healthy ingeneral (self-reported)
4.263 (0.939)
Internal generosity of community neighbors
Mutual giving percentage Percentage of giving foods or presents to each other in thecommunity where the respondent lives in the last month
13.27 %(12.418)
Mutual help percentage Percentage of helping each other in the community wherethe respondent lives in the last month
28.35 %(20.497)
Opinions and attitudes
Importance of family Respondent’s opinion on the importance of family, fromunimportant (1) to very important (5)
4.624 (0.686)
Importance of wealth Respondent’s opinion on the importance of money, fromunimportant (1) to very important (5)
3.648 (1.175)
Importance of having fun Respondent’s opinion on the importance of having fun in lifefrom unimportant (1) to very important (5)
4.046 (0.935)
Observations 19,967
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Table 2 Effect of donation on happiness
Wenchuan earthquake donation General donation
OLS 2SLS OLS 2SLS(1) (2) (3) (4)
Log (income) 0.030*** 0.027*** 0.031*** 0.029***
(0.006) (0.005) (0.006) (0.006)
Donation dummy 0.078* 0.310** 0.056** 0.140**
(0.042) (0.124) (0.022) (0.067)
Age −0.038*** −0.038*** −0.038*** −0.038***
(0.005) (0.005) (0.004) (0.004)
Age2/100 0.044*** 0.044*** 0.044*** 0.044***
(0.004) (0.005) (0.004) (0.004)
Male −0.112*** −0.106*** −0.112*** −0.110***
(0.015) (0.016) (0.015) (0.015)
Urban 0.012 −0.015 0.017 0.011
(0.025) (0.028) (0.024) (0.027)
Years of schooling 0.012*** 0.010*** 0.013*** 0.012***
(0.002) (0.002) (0.002) (0.002)
Employed 0.015 0.016 0.017 0.021
(0.023) (0.023) (0.023) (0.023)
Married 0.278*** 0.275*** 0.279*** 0.278***
(0.035) (0.036) (0.035) (0.035)
Cohabiting 0.080 0.055 0.086 0.084
(0.112) (0.115) (0.112) (0.113)
Divorced −0.376*** −0.388*** −0.371*** −0.372***
(0.070) (0.066) (0.071) (0.071)
Widowed −0.015 −0.016 −0.014 −0.013
(0.043) (0.046) (0.042) (0.042)
Religious 0.259*** 0.250*** 0.266*** 0.272***
(0.060) (0.059) (0.060) (0.061)
Health 0.175*** 0.175*** 0.175*** 0.176***
(0.017) (0.017) (0.017) (0.017)
Mutual giving percentage 0.002 0.002 0.002* 0.002*
(0.001) (0.001) (0.001) (0.001)
Mutual help percentage −0.001 −0.001 −0.001 −0.001
(0.002) (0.002) (0.002) (0.002)
Importance of family 0.255*** 0.253*** 0.256*** 0.256***
(0.017) (0.018) (0.017) (0.017)
Importance of wealth −0.051*** −0.049*** −0.052*** −0.052***
(0.011) (0.010) (0.011) (0.011)
0.186*** 0.184*** 0.187*** 0.187***
(0.010) (0.010) (0.010) (0.009)
Observations 19,967 19,967 19,967 19,967
R-squared 0.161 0.150 0.160 0.159
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roofgeneral?,” and the answers range from very unhappy to very happy with five scales.15 The
average happiness value is 3.825.
3.2 Empirical Methods
We explore the effect of donation on happiness. The baseline model is the OLS regression:
H ¼ aþ b� Donationþ h0Z þ e; ð1Þwhere H is the individual’s happiness, which has five scales. Donation is a dummy that is
equal to one if the individual’s family donated to the 2008 Wenchuan earthquake victims
or in the year 2009 for any purpose (depending on the specification). Otherwise, donation
is equal to zero. Additionally, Z is a vector of demographic and socioeconomic variables
that may affect happiness, such as income, gender, age, age squared, rural or urban resi-
dence status, years of schooling, employment status, marital status, and self-reported
health. We also control the individual’s opinion on the importance of family, money, and
having fun in life, because these opinions may affect individuals’ feeling on the sources of
happiness. Meanwhile, ε is the error term. We also report the results of the ordered probit
model in the Appendix to check for robustness because the happiness value has only five
scales.
Two potential problems arise. Some unobserved characteristics, such as aspiration for
material life, can affect happiness level (Stutzer 2004; Knight and Gunatilaka 2012) and
individuals’ tendency to donate because individuals with lower material aspiration may be
more likely to be generous in terms of giving to others.16 Reverse causality is also possible
as happier people may be more likely to donate (Anik et al. 2009). We employ the
instrumental variable method to address these concerns. A valid instrumental variable for
donation should affect individuals’ donation behavior, but it does not directly affect their
happiness conditional on the control variables (i.e., only affects happiness through its effect
on the donation behavior).
The community donation percentage is a plausible instrumental variable. The com-
munity donation percentage serves as an indicator of solicitation power for donation in a
community, conditional on the internal generosity of community neighbors (indicated by
mutual giving and mutual help percentages). This factor may affect the likelihood of the
individual’s donation behavior and arguably not directly affect his/her happiness. Various
Table 2 continued
Wenchuan earthquake donation General donation
OLS 2SLS OLS 2SLS(1) (2) (3) (4)
F-statistic for instruments 1765.94 4069.08
Robust standard errors clustered at the provincial level are reported in parentheses. The significance levels of1, 5, and 10 % are denoted by ***, **, and *, respectively
15 The 2012 wave of CFPS does not ask the same question about happiness. Thus, we can only use the 2010wave.16 Although we control for respondents’ opinion on the importance of wealth, the influence of aspiration onhappiness may not be fully captured.
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studies have confirmed that solicitation plays an important role in donation behavior. For
example, Meer (2011) uses data from a university and finds that people are more likely to
give, even substantial amounts, when they are solicited by someone with whom they have
social ties. Charitable organizations utilize this kind of effect and realize that personal
solicitation by acquaintances is effective. These organizations “often design their cam-
paigns to leverage the power of social influences” (Carman 2004). Andreoni et al. (2011)
find that asking increases donations by 75 % through a randomized natural field experiment
during the annual campaign of the Salvation Army in the USA, where solicitors either
asked “please give” to passersby or were silent.
Thus, we employ the donation percentage of the community where the individual lives
as an instrumental variable for the donation dummy. The 2SLS model is as follows:
Donation ¼ /þ u� Doantion Ratioþ c0Z þ f ð2:1Þ
H ¼ aþ b� Donationþ h0Z þ e ð2:2Þ
We first use Eq. (2.1) to estimate the likelihood of individual donation and then regress
individual happiness on this predicted value of individual donation likelihood, as shown in
Eq. (2.2). The coefficient on donation in Eq. (2.2) shows the causal effect of donation on
happiness for individuals whose donations are affected by the community donation per-
centage, with the community donation percentage as an instrumental variable.
4 Results
4.1 Wenchuan Earthquake Donation and Happiness
Table 2 reports the regression results of OLS and 2SLS on happiness. Columns 1 and 2
report the results for the Wenchuan earthquake. The OLS result in Column 1 shows
that people who donated for the Wenchuan earthquake victims report a 0.078 higher
value (around 8 % of the standard deviation) of happiness than non-donors. The
coefficient on logarithmic yearly income is 0.030 and statistically significant at the 1 %
level. Moreover, the negative and positive coefficients on age and age squared,
respectively, are both significant.17 The happiness level reported by females, on aver-
age, is 0.112 higher than that reported by males, and this difference is highly
significant, which reveals the gender difference in SWB (Nolen-Hoeksema and Rusting
1999). Years of schooling and being married have significantly positive effects on
happiness. The happiness value reported by divorced respondents is 0.376 lower than
those who were never married, which is consistent with the finding in most studies
(Kohler et al. 2005) that marital status has a remarkable effect on the happiness level.
People with religious involvement have 0.259 higher happiness value than non-religious
individuals, which is consistent with previous studies (Lelkes 2006; Helliwell 2003,
2006). The coefficient on self-reported health is 0.175 and statistically significant at the
1 % level, consistent with the results of Sun et al. (2015). The more the respondent
17 Happiness level declines at middle age (with the lowest level at 40–50 years old) and increases again atold age. The average age in the sample is approximately 45, which lies at the middle age stage. This result isconsistent with other studies (Kahneman and Krueger 2006; Appleton and Song 2008; Liu and Shang 2012).
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values the importance of family and having fun in life, the happier he/she is. By
contrast, lower happiness level is reported by individuals who give more importance on
wealth, which is consistent with the findings of Knight et al. (2009). The coefficient on
the variable “mutual giving percentage” is positively significant in the general donation
context, which indicates that the internal generosity of the community enhances the
happiness of the residents in the community. However, the coefficient on the variable
“mutual help percentage” is negative and insignificant.
We also report the results of ordered probit regressions (Tables 5, 6 of the Appendix)
because the dependent variable (happiness) is discrete. We obtain qualitatively similar
results.18 Therefore, we treat the happiness variable as continuous hereafter.
Column 2 reports the 2SLS results using the community donation percentage for the
Wenchuan earthquake victims as the instrumental variable.19 The estimated effect of
earthquake donation on happiness increases to 0.310.20 The F-statistic from the first stage
is 1765.94, which is sufficiently large, suggesting that our instrumental variable is very
powerful.
The donors, their family members, or close friends may also be victims of the earth-
quake per se, which may boost their empathy and lead them to donate for the earthquake
Table 3 Effect of donation on happiness (propensity score matching)
Wenchuan earthquake donation General donation
Donation dummy 0.082*** 0.059***
(0.018) (0.019)
Observations 19,967 19,967
The number of matches per observation is one. We match observations on income, years of schooling, age,age squared, gender, employment status, four marital status dummy variables, urban dummy, religiondummy, self-reported health, internal generosity of the community, and value of the importance of family,wealth, and having fun in life. The significance levels of 1, 5, and 10 % are denoted by ***, **, and *,respectively. Analytical standard errors are reported in parentheses. We obtain robust standard errorsidentical to the above results when we adopt the method of Abadie and Imbens (2015) and use three matchesfor each treated observation
18 We first report the coefficient of ordered probit regressions in column 1 of Tables 5 and 6. The coefficientis positive and significant, indicating the overall positive effect of donation on happiness. We then report incolumns 2–6 the marginal effect of donation on the probability that the happiness value reaches eachpotential outcome (1–5). The mean value of happiness is 3.825 in our sample. Thus, we observe the negativeeffects of donation on the probability that the happiness value is equal to 1, 2, or 3 in columns 2–4, as well asthe positive effects on the probability that the happiness value is equal to 4 or 5 in columns 5 and 6. Thus,these results provide a qualitatively similar conclusion to that of column 1 in Table 2.19 We first report the coefficient of the instrumental variable ordered probit regressions in column 7 ofTables 5 and 6. The coefficient is positive and significant, indicating the overall positive effect of donationon happiness. We then report in columns 8–12 the marginal effect of donation on the probability that thehappiness value reaches each potential outcome (1–5). The mean value of happiness is 3.825 in our sample.We observe the negative effects of donation on the probability that the happiness value is equal to 1, 2, or 3in columns 8–10, as well as the positive effects on the probability that the happiness value is equal to 4 or 5in columns 11 and 12. Thus, these results provide a qualitatively similar conclusion to that of column 2 inTable 2.20 If measurement errors of donation behavior are severe and cause attenuation bias in OLS results, then the2SLS estimate can correct the attenuation bias and report a higher estimate.
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Table 4 Effect of donation amount on happiness
Wenchuan earthquake donation General donation
OLS 2SLS OLS 2SLS
Log (income) 0.029*** 0.026*** 0.030*** 0.030***
(0.006) (0.005) (0.006) (0.006)
Log (donation amount) 0.019** 0.046*** 0.011** 0.019*
(0.008) (0.014) (0.005) (0.010)
Age −0.038*** −0.038*** −0.038*** −0.038***
(0.005) (0.005) (0.004) (0.004)
Age2/100 0.044*** 0.044*** 0.044*** 0.044***
(0.004) (0.005) (0.004) (0.004)
Male −0.109*** −0.103*** −0.112*** −0.111***
(0.015) (0.016) (0.015) (0.016)
Urban 0.002 −0.025 0.016 0.011
(0.024) (0.026) (0.024) (0.025)
Years of schooling 0.012*** 0.010*** 0.012*** 0.012***
(0.002) (0.002) (0.002) (0.003)
Employed 0.014 0.014 0.016 0.017
(0.023) (0.022) (0.023) (0.022)
Married 0.277*** 0.276*** 0.278*** 0.278***
(0.035) (0.035) (0.035) (0.035)
Cohabiting 0.075 0.055 0.088 0.088
(0.111) (0.112) (0.111) (0.111)
Divorced −0.376*** −0.382*** −0.371*** −0.372***
(0.070) (0.068) (0.071) (0.071)
Widowed −0.017 −0.020 −0.015 −0.015
(0.043) (0.045) (0.042) (0.042)
Religious 0.260*** 0.257*** 0.263*** 0.264***
(0.061) (0.062) (0.061) (0.061)
Health 0.175*** 0.175*** 0.175*** 0.175***
(0.017) (0.017) (0.017) (0.017)
Mutual giving percentage 0.002 0.001 0.002* 0.002*
(0.001) (0.001) (0.001) (0.001)
Mutual help percentage −0.001 −0.001 −0.001 −0.001
(0.002) (0.002) (0.002) (0.002)
Importance of family 0.255*** 0.254*** 0.256*** 0.256***
(0.017) (0.017) (0.017) (0.017)
Importance of wealth −0.051*** −0.050*** −0.052*** −0.052***
(0.011) (0.011) (0.011) (0.011)
Importance of having fun 0.186*** 0.184*** 0.187*** 0.187***
(0.010) (0.010) (0.010) (0.010)
Observations 19,967 19,967 19,967 19,967
R-squared 0.161 0.158 0.160 0.160
526 Q. Ren, M. Ye
123
AuthorP
roofvictims. If this condition is true, the unobserved damages that the respondents, their family
members, or close friends suffered in the earthquake may affect both donation and hap-
piness of respondents, thereby biasing our estimate. To address this concern, we conduct
similar analyses excluding the Sichuan sample, because the damages of the earthquake
were largely restricted to the Sichuan province where Wenchuan is located (Tables 7, 8 of
the Appendix). The results are similar to those in columns 1 and 2 of Table 2.
4.2 General Donation and Happiness
Considering that the Wenchuan earthquake is a very special case, we explore whether
donations for other purposes will also affect an individual’s happiness. We use a more
general variable as the proxy of donation behavior to check the robustness of our results.
This variable is measured from the answer to the question “Has your family ever donated
in the previous year (2009)?” Columns 3 and 4 in Table 2 report the results using this
variable as the key explanatory variable.
The results are similar to those on the donation for the Wenchuan earthquake victims in
columns 1 and 2. The effect of general donation on happiness is 0.056 (0.140) and sta-
tistically significant by the OLS (2SLS) estimate, further confirming that donation has a
positive effect on happiness. The F-statistic from the first stage is 4069.08, which is
sufficiently large, suggesting that our IV is powerful.
4.3 Propensity Score Matching
The donors may be very different from non-donors. We further employ the propensity
score matching method to check the robustness of our results (Table 3). The average
treatment effects are 0.082 for the Wenchuan earthquake donation and 0.059 for the
general donation. Both results are statistically significant at the 1 % level.
4.4 Donation Amount and Happiness
We also present the amount of donation instead of the donation dummy as an alternative
measure of the donation behavior in Table 4. Column 2 reports the 2SLS results using the
average community donation amount for the Wenchuan earthquake victims as the
instrumental variable. The average community donation amount in 2009 is used as the
instrumental variable in column 4 regarding general donation. The OLS results show that
the amount of donations has a significantly positive effect on happiness, and the 2SLS
estimates confirm the qualitative results with an even larger effect.
Table 4 continued
Wenchuan earthquake donation General donation
OLS 2SLS OLS 2SLS
F-statistic for instruments 4974.34 4500.21
Robust standard errors clustered at the provincial level are reported in parentheses. The significance levels of1, 5, and 10 % are denoted by ***, **, and *, respectively
Donation Makes People Happier: Evidence from the Wenchuan… 527
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5 Conclusions and Discussions
This paper reports the effect of donation on happiness. We find a positive association
between donation and happiness. We minimize the endogeneity problem by employing the
donation percentage of the community where the respondent lives as the instrumental
variable, conditional on the generosity of other residents toward each other in the same
community. We use several measures of donation behavior, namely, donations for the
Wenchuan earthquake victims and for general purposes to check the robustness of our
results. We apply the donation dummy and the donation amount on both measures of
behavior. We also employ the propensity score matching model. All results show that
donation has a significantly positive effect on happiness. This paper provides new evidence
from a natural phenomenon and complements the literature, although several recent studies
have shown such a relationship using controlled experiments.
Although we find evidence that donation behavior raises donors’ happiness, we cannot
distinguish various channels of such an effect in this study. For example, the rising of
happiness via donation can be attributed to either pure altruism or impure altruism with
“warm glow.” On the one hand, pure altruism may be the dominant reason. Aknin et al.
(2013a) find that happiness only emerges when givers are aware of their positive effect,
which indicates that higher happiness occurs only when participants give to causes that
explain how these funds are used to make a difference in the life of a recipient. On the
other hand, the literature on the “warm glow” motivation suggests that donors may feel
happy not only because they know the recipients are better off with their donations but also
because of their donation behavior per se, regardless of whether their donations make a
difference for recipients. “Warm glow” may be an important channel that explains why
donations improve donors’ happiness because of the non-transparency of the use of
donations in China.21 However, pure altruism may still dominate if donors believe their
donations have been used to where they are needed, even if they do not know the exact use
of these donations. Future studies on the channels through which donations influence
happiness are desirable.
Acknowledgments We thank the editor and three referees for their helpful comments. Zhiyuan Chen andQingyan Zheng provide excellent research assistances. This study is sponsored by the Youth Grant forHumanities and Social Sciences Research, Chinese Ministry of Education (Grant No. 14YJC790156).
Appendix
See Tables 5, 6, 7, and 8.
21 A serious problem exists in Chinese Charities for the transparency of the use of donations. According to asurvey by the China Charity Information Center, only 30.4 % of the public welfare foundations releaseannual reports and the ratio of disclosing financial reports is even lower, only 28 % (source: http://news.foundationcenter.org.cn/html/2012-11/56618.html, last accessed on December 12, 2015). At the same time,there seems also little demand from the donors for knowing where their donations go. A survey by TsinghuaUniversity indicated that only 4.7 % of the donors for the Wenchuan earthquake know where their donationsgo exactly (source: http://news.china.com.cn/2014-04/21/content_32153332.htm, last accessed on Decem-ber 12, 2015).
528 Q. Ren, M. Ye
123
AuthorP
roof
Tab
le5
EffectofWenchuan
earthquakedonationonhappiness(ordered
probitandIV
ordered
probit)
Ordered
Probit
IVOrdered
Probit
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Log(income)
0.035***
−0.002***
−0.003***
−0.007***
0.001
0.011***
0.031***
−0.002***
−0.003***
−0.006***
0.001
0.010***
(0.007)
(0.000)
(0.001)
(0.001)
(0.000)
(0.002)
(0.006)
(0.000)
(0.001)
(0.001)
(0.000)
(0.002)
Donationdummy
0.091*
−0.005*
−0.008*
−0.018*
0.002
0.029*
0.346**
−0.019**
−0.030**
−0.066***
0.006
0.109***
(0.050)
(0.003)
(0.004)
(0.010)
(0.002)
(0.015)
(0.139)
(0.008)
(0.013)
(0.025)
(0.005)
(0.042)
Age
−0.043***
0.002***
0.004***
0.008***
−0.001
−0.014***
−0.043***
0.002***
0.004***
0.008***
−0.001
−0.014***
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
(0.006)
(0.000)
(0.001)
(0.001)
(0.000)
(0.002)
Age2/100
0.051***
−0.003***
−0.004***
−0.010***
0.001
0.016***
0.050***
−0.003***
−0.004***
−0.010***
0.001
0.016***
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
Male
−0.127***
0.007***
0.011***
0.025***
−0.002
−0.040***
−0.119***
0.007***
0.010***
0.023***
−0.002
−0.038***
(0.017)
(0.001)
(0.002)
(0.003)
(0.002)
(0.005)
(0.018)
(0.001)
(0.002)
(0.004)
(0.001)
(0.006)
Urban
0.015
−0.001
−0.001
−0.003
0.000
0.005
−0.016
0.001
0.001
0.003
−0.000
−0.005
(0.029)
(0.002)
(0.002)
(0.006)
(0.001)
(0.009)
(0.031)
(0.002)
(0.003)
(0.006)
(0.001)
(0.010)
Years
of
schooling
0.014***
−0.001***
−0.001***
−0.003***
0.000
0.004***
0.011***
−0.001***
−0.001***
−0.002***
0.000
0.003***
(0.003)
(0.000)
(0.000)
(0.001)
(0.000)
(0.001)
(0.002)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
Employed
0.011
−0.001
−0.001
−0.002
0.000
0.003
0.012
−0.001
−0.001
−0.002
0.000
0.004
(0.025)
(0.001)
(0.002)
(0.005)
(0.000)
(0.008)
(0.024)
(0.001)
(0.002)
(0.005)
(0.000)
(0.008)
Married
0.320***
−0.017***
−0.028***
−0.062***
0.006
0.101***
0.315***
−0.018***
−0.028***
−0.060***
0.006
0.100***
(0.046)
(0.002)
(0.004)
(0.009)
(0.004)
(0.014)
(0.045)
(0.003)
(0.004)
(0.008)
(0.003)
(0.014)
Cohabiting
0.098
−0.005
−0.009
−0.019
0.002
0.031
0.070
−0.004
−0.006
−0.013
0.001
0.022
(0.131)
(0.007)
(0.012)
(0.026)
(0.003)
(0.042)
(0.134)
(0.008)
(0.012)
(0.025)
(0.003)
(0.042)
Divorced
−0.391***
0.021***
0.034***
0.076***
−0.007
−0.124***
−0.402***
0.023***
0.035***
0.076***
−0.007
−0.127***
(0.071)
(0.004)
(0.007)
(0.014)
(0.005)
(0.023)
(0.067)
(0.004)
(0.006)
(0.013)
(0.004)
(0.022)
Donation Makes People Happier: Evidence from the Wenchuan… 529
123
AuthorP
roof
Tab
le5continued
Ordered
Probit
IVOrdered
Probit
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Widowed
0.004
−0.000
−0.000
−0.001
0.000
0.001
0.003
−0.000
−0.000
−0.001
0.000
0.001
(0.049)
(0.003)
(0.004)
(0.009)
(0.001)
(0.015)
(0.051)
(0.003)
(0.004)
(0.010)
(0.001)
(0.016)
Religious
0.334***
−0.018***
−0.029***
−0.065***
0.006
0.106***
0.322***
−0.018***
−0.028***
−0.061***
0.006
0.102***
(0.079)
(0.004)
(0.008)
(0.015)
(0.005)
(0.025)
(0.077)
(0.005)
(0.007)
(0.014)
(0.004)
(0.024)
Health
0.195***
−0.010***
−0.017***
−0.038***
0.004
0.062***
0.194***
−0.011***
−0.017***
−0.037***
0.003
0.061***
(0.020)
(0.001)
(0.002)
(0.004)
(0.003)
(0.006)
(0.020)
(0.001)
(0.002)
(0.004)
(0.002)
(0.005)
Mutual
giving
percentage
0.002*
−0.000*
−0.000*
−0.000*
0.000
0.001*
0.002
−0.000
−0.000
−0.000
0.000
0.001
(0.001)
(0.000)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
(0.000)
(0.000)
(0.000)
(0.000)
(0.000)
Mutual
help
percentage
−0.001
0.000
0.000
0.000
−0.000
−0.000
−0.001
0.000
0.000
0.000
−0.000
−0.000
(0.002)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
(0.002)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
Importance
of
family
0.287***
−0.015***
−0.025***
−0.056***
0.005*
0.091***
0.283***
−0.016***
−0.025***
−0.054***
0.005*
0.089***
(0.016)
(0.001)
(0.001)
(0.003)
(0.003)
(0.007)
(0.017)
(0.001)
(0.001)
(0.004)
(0.003)
(0.008)
Importance
of
wealth
−0.061***
0.003***
0.005***
0.012***
−0.001
−0.019***
−0.058***
0.003***
0.005***
0.011***
−0.001
−0.018***
(0.014)
(0.001)
(0.001)
(0.003)
(0.001)
(0.004)
(0.013)
(0.001)
(0.001)
(0.002)
(0.001)
(0.004)
Importance
of
havingfun
0.223***
−0.012***
−0.019***
−0.043***
0.004
0.070***
0.218***
−0.012***
−0.019***
−0.041***
0.004*
0.069***
(0.013)
(0.001)
(0.001)
(0.003)
(0.003)
(0.004)
(0.013)
(0.001)
(0.001)
(0.003)
(0.002)
(0.004)
Observations
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
Robuststandarderrorsclustered
attheprovincial
level
arereported
inparentheses.Columns1–6reporttheordered
probitresults,withthecoefficientin
column1.Marginal
effectsontheprobabilitiesat
each
outcomeofhappinessarereported
incolumns2–6.Columns7–12reporttheIV
ordered
probitresultsusingthepercentageofdonationin
thecommunitytherespondentlives
inas
theinstrumentalvariable,withthecoefficientin
column7andmarginaleffectsontheprobabilitiesateach
outcomeofhappinessin
columns8–12.Thesignificance
levelsof1,5,and10%
aredenotedby***,**,and*,respectively
530 Q. Ren, M. Ye
123
AuthorP
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Tab
le6
Effectofgeneral
donationonhappiness(ordered
probitandIV
ordered
probit)
Ordered
probit
IVOrdered
probit
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Log(income)
0.035***
−0.002***
−0.003***
−0.007***
0.001
0.011***
0.034***
−0.002***
−0.003***
−0.007***
0.001
0.011***
(0.007)
(0.000)
(0.001)
(0.001)
(0.000)
(0.002)
(0.007)
(0.000)
(0.001)
(0.001)
(0.000)
(0.002)
Donationdummy
0.070**
−0.004**
−0.006**
−0.014**
0.001
0.022**
0.169**
−0.009*
−0.015**
−0.033**
0.003
0.053**
(0.028)
(0.002)
(0.002)
(0.005)
(0.001)
(0.009)
(0.084)
(0.005)
(0.007)
(0.016)
(0.003)
(0.026)
Age
−0.043***
0.002***
0.004***
0.008***
−0.001
−0.014***
−0.043***
0.002***
0.004***
0.008***
−0.001
−0.014***
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
Age2/100
0.051***
−0.003***
−0.004***
−0.010***
0.001
0.016***
0.051***
−0.003***
−0.004***
−0.010***
0.001
0.016***
(0.006)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
(0.005)
(0.000)
(0.001)
(0.001)
(0.001)
(0.002)
Male
−0.127***
0.007***
0.011***
0.025***
−0.002
−0.040***
−0.125***
0.007***
0.011***
0.024***
−0.002
−0.040***
(0.017)
(0.001)
(0.002)
(0.003)
(0.002)
(0.005)
(0.017)
(0.001)
(0.002)
(0.003)
(0.002)
(0.005)
Urban
0.020
−0.001
−0.002
−0.004
0.000
0.006
0.012
−0.001
−0.001
−0.002
0.000
0.004
(0.029)
(0.002)
(0.003)
(0.006)
(0.001)
(0.009)
(0.032)
(0.002)
(0.003)
(0.006)
(0.001)
(0.010)
Years
of
schooling
0.014***
−0.001***
−0.001***
−0.003***
0.000
0.004***
0.013***
−0.001***
−0.001***
−0.003***
0.000
0.004***
(0.003)
(0.000)
(0.000)
(0.001)
(0.000)
(0.001)
(0.003)
(0.000)
(0.000)
(0.001)
(0.000)
(0.001)
Employed
0.013
−0.001
−0.001
−0.003
0.000
0.004
0.017
−0.001
−0.001
−0.003
0.000
0.005
(0.025)
(0.001)
(0.002)
(0.005)
(0.000)
(0.008)
(0.026)
(0.001)
(0.002)
(0.005)
(0.001)
(0.008)
Married
0.321***
−0.017***
−0.028***
−0.062***
0.006
0.102***
0.320***
−0.017***
−0.028***
−0.062***
0.006
0.101***
(0.046)
(0.002)
(0.004)
(0.009)
(0.004)
(0.014)
(0.046)
(0.002)
(0.004)
(0.009)
(0.004)
(0.014)
Cohabiting
0.107
−0.006
−0.009
−0.021
0.002
0.034
0.103
−0.006
−0.009
−0.020
0.002
0.033
(0.132)
(0.007)
(0.012)
(0.026)
(0.003)
(0.042)
(0.133)
(0.007)
(0.012)
(0.026)
(0.003)
(0.042)
Divorced
−0.386***
0.021***
0.034***
0.075***
−0.007
−0.122***
−0.386***
0.021***
0.034***
0.075***
−0.007
−0.122***
(0.072)
(0.004)
(0.007)
(0.014)
(0.005)
(0.023)
(0.071)
(0.004)
(0.007)
(0.013)
(0.005)
(0.023)
Donation Makes People Happier: Evidence from the Wenchuan… 531
123
AuthorP
roof
Tab
le6continued
Ordered
probit
IVOrdered
probit
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
Coeff.
Pr(H
=1)
Pr(H
=2)
Pr(H
=3)
Pr
(H=
4)
Pr(H
=5)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Widowed
0.006
−0.000
−0.000
−0.001
0.000
0.002
0.006
−0.000
−0.001
−0.001
0.000
0.002
(0.048)
(0.003)
(0.004)
(0.009)
(0.001)
(0.015)
(0.048)
(0.003)
(0.004)
(0.009)
(0.001)
(0.015)
Religious
0.343***
−0.018***
−0.030***
−0.067***
0.007
0.109***
0.350***
−0.019***
−0.031***
−0.068***
0.007
0.111***
(0.080)
(0.004)
(0.008)
(0.015)
(0.005)
(0.025)
(0.080)
(0.005)
(0.008)
(0.015)
(0.005)
(0.025)
Health
0.195***
−0.010***
−0.017***
−0.038***
0.004
0.062***
0.196***
−0.011***
−0.017***
−0.038***
0.004
0.062***
(0.020)
(0.001)
(0.002)
(0.004)
(0.003)
(0.006)
(0.020)
(0.001)
(0.002)
(0.004)
(0.003)
(0.005)
Mutual
giving
percentage
0.002*
−0.000*
−0.000*
−0.000**
0.000
0.001*
0.002*
−0.000*
−0.000*
−0.000*
0.000
0.001*
(0.001)
(0.000)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
(0.000)
(0.000)
(0.000)
(0.000)
(0.000)
Mutual
help
percentage
−0.001
0.000
0.000
0.000
−0.000
−0.000
−0.001
0.000
0.000
0.000
−0.000
−0.000
(0.002)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
(0.002)
(0.000)
(0.000)
(0.000)
(0.000)
(0.001)
Importance
of
family
0.288***
−0.015***
−0.025***
−0.056***
0.005
0.091***
0.288***
−0.016***
−0.025***
−0.056***
0.005
0.091***
(0.016)
(0.001)
(0.001)
(0.003)
(0.003)
(0.007)
(0.016)
(0.001)
(0.001)
(0.003)
(0.003)
(0.007)
Importance
of
wealth
−0.062***
0.003***
0.005***
0.012***
−0.001
−0.020***
−0.062***
0.003***
0.005***
0.012***
−0.001
−0.020***
(0.014)
(0.001)
(0.001)
(0.003)
(0.001)
(0.004)
(0.014)
(0.001)
(0.001)
(0.003)
(0.001)
(0.004)
Importance
of
havingfun
0.223***
−0.012***
−0.020***
−0.044***
0.004
0.071***
0.223***
−0.012***
−0.020***
−0.043***
0.004
0.071***
(0.013)
(0.001)
(0.001)
(0.003)
(0.003)
(0.004)
(0.013)
(0.001)
(0.001)
(0.003)
(0.003)
(0.004)
Observations
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
19,967
Robust
standarderrors
clustered
attheprovincial
level
arereported
inparentheses.Columns1–6reporttheordered
probitresults,
withthecoefficientin
column1and
marginaleffectsontheprobabilitiesateach
outcomeofhappinessin
columns2–6.Columns7–12reporttheIV
ordered
probitresultsusingthepercentageofdonationin
the
communitytherespondentlives
astheinstrumentalvariable,withthecoefficientin
column7andmarginal
effectsontheprobabilitiesat
each
outcomeofhappinessin
columns8–12.Thesignificance
levelsof1,5,and10%
aredenotedby***,**,and*,respectively
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Table 7 Effect of Wenchuan earthquake donation on happiness (exclusion of sichuan sample)
OLS 2SLS OLS 2SLS(1) (2) (3) (4)
Log (income) 0.031*** 0.028*** 0.030*** 0.026***
(0.006) (0.006) (0.006) (0.005)
Donation dummy 0.084* 0.341**
(0.046) (0.145)
Log (donation amount) 0.020** 0.048***
(0.008) (0.015)
Age −0.040*** −0.040*** −0.039*** −0.039***
(0.004) (0.004) (0.004) (0.004)
Age2/100 0.046*** 0.046*** 0.046*** 0.045***
(0.004) (0.005) (0.004) (0.005)
Male −0.115*** −0.109*** −0.112*** −0.106***
(0.016) (0.016) (0.016) (0.016)
Urban 0.015 −0.020 0.005 −0.026
(0.026) (0.033) (0.026) (0.029)
Years of schooling 0.013*** 0.010*** 0.012*** 0.010***
(0.002) (0.002) (0.002) (0.002)
Employed 0.003 0.004 0.002 0.001
(0.022) (0.022) (0.022) (0.022)
Married 0.291*** 0.287*** 0.290*** 0.287***
(0.035) (0.036) (0.035) (0.035)
Cohabiting 0.113 0.091 0.107 0.090
(0.110) (0.114) (0.110) (0.110)
Divorced −0.380*** −0.393*** −0.381*** −0.387***
(0.074) (0.070) (0.074) (0.072)
Widowed −0.004 −0.004 −0.006 −0.009
(0.046) (0.049) (0.047) (0.049)
Religious 0.258*** 0.248*** 0.259*** 0.256***
(0.062) (0.061) (0.063) (0.063)
Health 0.173*** 0.174*** 0.173*** 0.174***
(0.017) (0.017) (0.017) (0.017)
Mutual giving percentage 0.002* 0.002 0.002* 0.002
(0.001) (0.001) (0.001) (0.001)
Mutual help percentage −0.001 −0.001 −0.001 −0.001
(0.002) (0.002) (0.002) (0.002)
Importance of family 0.258*** 0.255*** 0.258*** 0.256***
(0.018) (0.019) (0.018) (0.018)
Importance of wealth −0.053*** −0.050*** −0.053*** −0.052***
(0.012) (0.011) (0.012) (0.012)
Importance of having fun 0.182*** 0.180*** 0.182*** 0.180***
(0.009) (0.009) (0.009) (0.010)
Observations 18,814 18,814 18,814 18,814
R-squared 0.163 0.151 0.164 0.160
Donation Makes People Happier: Evidence from the Wenchuan… 533
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The 1153 observations from Sichuan province are excluded. Robust standard errors clustered at theprovincial level are reported in parentheses. The significance levels of 1, 5, and 10 % are denoted by ***, **,and *, respectively
Table 8 Effect of Wenchuan earthquake donation on happiness (propensity score matching, exclusion ofSichuan sample)
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