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2.ANALYSE UNIVARIATER STATIONÄRER PROZESSE
Introduction to Modern Time Series Analysis
Gebhard Kirchgässner, Jürgen Wolters and Uwe Hassler
Second Edition
Springer 2013
Teaching Material
The following figures and tables are from the above book. They are provided to help instructors and students and may be used for teaching purposes as long as a reference to the book is given in class.
1 Introduction and Basics
Figure 1.1:Real Gross Domestic Product of the Federal Republic of Germany in billions of Euro, 1960 – 2011
Figure 1.2:Quarterly Changes of the Real Gross Domestic Product (ΔGDP)of the Federal Republic of Germany, 1960 – 1989
Figure 1.3:Quarterly Growth Rates of the Real Gross Domestic Product (qgr)of the Federal Republic of Germany, 1960 – 1989
Figure 1.4:Annual Changes of the Real Gross Domestic Product (Δ4GDP) of the Federal Republic of Germany, 1961 – 1989
Figure 1.5:Annual Growth Rates of Real Gross Domestic Product (agr) of the Federal Republic of Germany, 1960 – 1989
Figure 1.6:‘Smooth Component‘ and actual values of the Real Gross Domestic Product of the Federal Republic of Germany, 1961 – 2011
Figure 1.7:Example of a Random Walk where only the steps +1 and –1 are possible
Figure 1.8:Exchange Rate Swiss Franc U.S. Dollar, Monthly data, January 1974 to December 2011
2 Univariate Stationary Processes
Figure 2.1: AR(1) process with α = 0.9
Figure 2.2: AR(1) process with α= 0.5
Figure 2.3: AR(1) process with α = -0.9
Figure 2.4: Popularity of the CDU/CSU, 1971 – 1982
Figure 2.5: AR(2) process with α1 = 1.5, α2= -0.56
Figure 2.6: AR(2) process with α1 = 1.4 and α2 = -0.85
Figure 2.7: Three month money market rate in Frankfurt, 1970 – 1998
Figure 2.8: Estimated partial autocorrelation functions
Table 2.1: Characteristics of the Autocorrelation and the PartialAutocorrelation Functions of AR and MA Processes
Autocorrelation Function
Partial AutocorrelationFunction
MA(q)
breaks off with q
does not break off
AR(p)
does not break off
breaks off with p
Figure 2.9: Theoretical autocorrelation functions of ARMA(1,1) processes
Figure 2.10: Three month money market rate in New York, 1994 – 2003
Table 2.2: Forecasts of the Council of Economic Experts and of the Economic Research Institutes
Period
R2
RMSE
MAE
ME
â1
U
Institutes
1970 – 1995
0.369
1.838
1.346
-0.250*
1.005*
0.572
1970 – 1982
0.429
2.291
1.654
-0.731
1.193*
0.625
1983 – 1995
0.399
1.229
1.038
0.231
1.081
0.457
Council ofEconomicExperts
1970 – 1995
0.502*
1.647*
1.171*
-0.256
1.114
0.512*
1970 – 1982
0.599*
2.025*
1.477*
-0.723*
1.354
0.552*
1983 – 1995
0.472*
1.150*
0.865*
0.212*
1.036*
0.428*
‘*’ denotes the ‘better’ of the two forecasts.
3 Granger Causality
Figure 3.1:Growth rate of real GDP and the four quarters lagged interest rate spread in the Federal Republic of Germany, 1970 – 1989 (in percent)
Table 3.1 Test for Granger Causality (I): Direct Granger Procedure1/65 – 4/89, 100 Observations
y
x
k1
k2
F(yx)
F(yx)
F(y–x)
4ln(GDPr)
4ln(GDPr)
4ln(M1r)
4ln(M1r)
GLR – GSR
GLR – GSR
4
8
4
8
4
8
4
8
4
8
4
8
6.087***
3.561**
3.160*
1.927(*)
5.615***
2.521*
1.918
1.443
3.835**
2.077*
1.489
1.178
0.391
0.001
0.111
0.279
10.099**
15.125***
‘(*)’, ‘*’, ‘**’, or ‘***’ denote that the null hypothesis that no causal relation exists can be rejected at the 10, 5, 1 or 0.1 percent significance level, respectively.
Figure 3.2. (The dotted lines are the approximate 95 percent confidence intervals.)
k
Figure 3.2a:Cross-correlations between the residuals of the univariate models of GDP and the quantity of money M1
k
Figure 3.2b:Cross-correlations between the residuals of the univariate models of GDP and the interest rate spread
k
Figure 3.2c:Cross-correlations between the residuals of the univariate models of the quantity of money M1 and the interest rate differential
Table 3.2: Test for Granger Causality (II): Haugh-Pierce Test1/65 – 4/89, 100 Observations
Y
x
k
S(yx)
S(yx)
S(y<=>x)
4ln(GDPr)
4ln(M1r)
0.179(*)
4
16.547**
7.036
26.771**
8
17.234*
11.005
31.426*
4ln(GDPr)
GLR – GSR
0.076
4
6.031
10.218*
16.826(*)
8
11.270
13.718(*)
25.565(*)
4ln(M1r)
GLR – GSR
0.383***
4
11.967*
9.660*
36.295***
8
14.424(*)
11.270
40.362**
‘(*)’, ‘*’, ‘**’, or. ‘***’ denote that the null hypothesis that no causal relation exists can be rejected at the 10, 5, 1 or 0.1 percent significance level, respectively.
Table 3.3: Optimal Lag Length for the Hsiao Procedure
Akaike Criterion
Schwarz Criterion
Relation
4ln(M1r) 4ln(GDPr)
4
1
1
1
1
1
4ln(GDPr) 4ln(M1r)
5
3
8
4
0
4
(GLR – GSR) 4ln(GDPr)
4
2
1
1
2
1
4ln(GDPr) (GLR – GSR)
5
5
5
5
0
5
Table 3.4: Models Estimated with the Hsiao Procedure1/65 – 4/89, 100 Observations
Criterion
Akaike Criterion
Schwarz Criterion
Explanatory Variable
Dependent Variable
4ln(GDPr,t)
4ln(M1r,t)
4ln(GDPr,t)
4ln(M1r,t)
Constant term
0.146(0.67)
1.263***(3.42)
0.136(0.62)
1.139***(3.94)
4ln(GDPr, t-1)
0.751***(13.59)
-0.195(1.32)
0.756***(13.68)
4ln(GDPr,t-2)
-0.283(1.65)
4ln(GDPr,t-3)
0.369*(2.54)
4ln(M1r,t-1)
0.159***(4.62)
1.027***(10.73)
0.159***(4.61)
0.972***(10.12)
4ln(M1r,t-2)
-0.173(1.29)
-0.135(0.99)
4ln(M1r,t-3)
0.185(1.36)
0.083(0.61)
4ln(M1r,t-4)
-0.478***(3.53)
-0.265**(2.72)
4ln(M1r,t-5)
0.340*(2.50)
4ln(M1r,t-6)
-0.188(1.36)
4ln(M1r,t-7)
0.192(1.41)
4ln(M1r,t-8)
-0.203*(2.08)
(û1,û2)
0.012
0.077
2
0.694
0.750
0.694
0.726
SE
1.340
1.952
1.340
2.041
Q(m)
23.084*
11.226*
23.344*
16.548*
m
11
4
11
8
The numbers in parentheses are the absolute values of the estimated t statistics. ‘(*)’, ‘*’, ‘**’, or ‘***’ denote that the corresponding null hypothesis can be rejected at the 10, 5, 1 or 0.1 percent significance level, respectively. m denotes the number of degrees of freedom of the Q statistic.
Table 3.5: Models Estimated with the Hsiao Procedure1/65 – 4/89, 100 Observations
Criterion
Akaike Criterion
Schwarz Criterion
Explanatory Variable
Dependent Variable
4ln(GDPr,t)
(GLR – GSR)t
4ln(GDPr,t)
(GLR – GSR)t
Constant term
0.327(1.47)
0.404**(2.80)
0.320(1.43)
0.293**(2.93)
4ln(GDPr, t-1)
0.730***(12.22)
-0.034(0.65)
0.733***(12.27)
4ln(GDPr,t-2)
-0.132*(2.10)
4ln(GDPr,t-3)
0.021(0.32)
4ln(GDPr,t-4)
0.154*(2.58)
4ln(GDPr,t-5)
-0.083(*)(1.72)
(GLR – GSR)t-1
-0.105(0.64)
1.128***(11.91)
-0.103(0.63)
1.138***(12.13)
(GLR – GSR)t-2
0.441**(2.62)
-0.168(1.27)
0.438*(2.60)
-0.198(1.42)
(GLR – GSR)t-3
-0.347**(2.69)
-0.316*(2.32)
(GLR – GSR)t-4
0.481***(3.70)
0.448**(3.25)
(GLR – GSR)t-5
-0.274**(2.95)
-0.327***(3.53)
(û1,û2)
0.053
0.031
2
0.684
0.816
0.684
0.798
SE
1.362
0.732
1.362
0.768
Q(m)
16.513
4.824
16.648
7.118
m
11
7
11
7
The numbers in parentheses are the absolute values of the estimated t statistics. ‘(*)’, ‘*’, ‘**’, or ‘***’ denote that the corresponding null hypothesis can be rejected at the 10, 5, 1 or 0.1 percent significance level, respectively. m denotes the number of degrees of freedom of the Q statistic.
Table 3.6: Test for Granger Causality:Direct Granger Procedure with Three Variables1/65 – 4/89, 100 Observations
Y
x
z
k
F(yx)
F(yx)
F(y–x)
4ln(GDPr)
4ln(M1r)
GLR – GSR
4
2.747*
3.788**
0.577
8
2.866**
2.362*
0.127
4ln(GDPr)
GLR – GSR
4ln(M1r)
4
0.260
2.426(*)
0.247
8
1.430
1.817(*)
0.229
4ln(M1r)
GLR – GSR
4ln(GDPr)
4
7.615***
0.293
7.273***
8
3.432**
1.009
8.150***
‘(*)’, ‘*’, ‘**’, or ‘***’ denote that the null hypothesis that no causal relation exists can be rejected at the 10, 5, 1 or 0.1 percent significance level, respectively.
4 Vector Autoregressive Processes
Figure 4.1: Impulse response functions
Figure 4.2: Cumulative impulse response functions
Figure 4.3: Impulse response functions
Figure 4.4: Cumulative impulse response functions
Table 4.1: Variance Decomposition
Forecast horizon
x1
x2
Immediate
x1
100.000
0.000
x2
32.834
67.166
4 periods
x1
77.866
22.134
x2
23.089
76.911
8 periods
x1
65.085
34.915
x2
20.957
79.043
20 periods
x1
58.527
41.473
x2
19.838
80.162
Infinity
x1
58.020
41.980
x2
19.748
80.252
Table 4.2a: Variance Decomposition 1/65 – 4/89, 100 Observations
Forecast horizon
Δ4ln(GDPr)
Δ4ln(M1r)
GLR – GSR
immediate
Δ4ln(GDPr)
99.231
0.483
0.286
Δ4ln(M1r)
0.000
92.202
7.798
GLR – GSR
0.000
0.000
100.000
1 year
Δ4ln(GDPr)
82.899
12.479
4.622
Δ4ln(M1r)
8.994
41.336
49.670
GLR – GSR
9.223
0.487
90.289
2 years
Δ4ln(GDPr)
51.948
15.604
32.448
Δ4ln(M1r)
13.896
34.910
51.194
GLR – GSR
16.124
8.998
74.878
5 years
Δ4ln(GDPr)
48.235
16.049
35.716
Δ4ln(M1r)
14.738
35.244
50.018
GLR – GSR
15.719
13.062
71.219
infinity
Δ4ln(GDPr)
48.187
16.132
35.681
Δ4ln(M1r)
14.733
35.258
50.009
GLR – GSR
15.677
13.079
71.244
Table 4.2b: Variance Decomposition 1/65 – 4/89, 100 Observations
Forecast horizon
Δ4ln(GDPr)
Δ4ln(M1r)
GLR – GSR
immediate
Δ4ln(GDPr)
99.231
0.667
0.102
Δ4ln(M1r)
0.000
100.000
0.000
GLR – GSR
0.000
7.798
92.292
1 year
Δ4ln(GDPr)
82.899
15.740
1.361
Δ4ln(M1r)
8.994
60.685
30.321
GLR – GSR
9.223
7.326
83.450
2 years
Δ4ln(GDPr)
51.948
26.995
21.057
Δ4ln(M1r)
13.896
50.669
35.435
GLR – GSR
16.124
11.184
72.692
5 years
Δ4ln(GDPr)
48.235
25.978
25.787
Δ4ln(M1r)
14.738
50.970
34.292
GLR – GSR
15.719
16.065
68.216
infinity
Δ4ln(GDPr)
48.187
26.033
25.780
Δ4ln(M1r)
14.733
50.999
34.269
GLR – GSR
15.677
16.136
68.188
5 Nonstationary Processes
Figure 5.1:Linear and quadratic trend, superimposed by a pure random process
Figure 5.2:Realisations of AR(1) processes α = 1.03 (------), α= 0.97 (———)
Figure 5.3: Random walk with (-----) and without (––––) drift
Figure 5.4:Scatter diagrams of the first differences against theoriginal residuals of nonstationary processes
Figure 5.5:Scatter diagrams of the residuals of regressions on a time trend against the original residuals of nonstationary processes
Figure 5.6 Actual and estimated values and residuals of the models with linear deterministic and stochastic trends
Table 5.1: Results of Linear Trend Elimination(100 Observations)
Model with a
linear trend
random walk
random walk with drift
Constant term
5.678 (9.79)
19.673 (16.89)
18.673 (16.03)
linear trend
0.993 (99.60)
0.191 (9.55)
1.191(59.48)
0.990
0.477
0.973
Durbin-Watson
2.085
0.247
0.247
Figure 5.7:Density of the estimated autocorrelation coefficient and thet statistic under the null hypothesis of a random walk.
Figure 5.8: Development of the Swiss, German/European and US Euromarket interest rates. Monthly data, January 1983 – December 2002
Table 5.2: Results of the Augmented Dickey-Fuller Tests1/1983 – 12/2002, 240 Observations
Variable
Levels
1. Differences
k
Test Statistic
k
Test Statistic
SER
3
-1.194(0.678)
2
-7.862(0.000)
GER/eER
1
-0.957(0.768)
0
-11.962(0.000)
UER
1
-0.995(0.755)
0
-11.220(0.000)
The tests were performed for levels with as well as for first differences without a constant term. The numbers in parentheses are the p values. The number of lags, k, has been determined with the Hannan-Quinn criterion.
Figure 5.9a:Density of the estimated coefficient and of the t statistic for the null hypothesis
of an AR(1) process with ρ = 0.95
Figure 5.9b: Density of the estimated coefficient and of the t statistic for the null hypothesis of an AR(1) process with ρ = 0.90
Table 5.3: Results of Unit Root and Stationarity Tests for Inflation1/1969 – 9/1992, 285 Observations
m/k
United States
United Kingdom
France
Germany
Italy
Phillips-Perron
6
12
-8.95**
-10.20**
-9.30**
-10.54**
-5.82**
-6.84**
-10.32**
-11.65**
-6.40**
-7.39**
KPSS
6
12
0.81**
0.51*
1.02**
0.65**
1.57**
0.91**
1.26**
0.80**
0.94**
0.56**
ADF
3
6
12
-4.43**
-3.06*
-1.86
-4.48**
-2.97*
-2.27
-2.71(*)
-1.71
-1.29
-4.98**
-3.49**
-1.75
-3.31*
-2.24
-2.39
‚(*)‘, ,*‘ or ,**‘ denote that the corresponding null hypothesis can be rejected at the 10, 5, or 1 percent significance level, respectively.
Source: U. Hassler and J. Wolters (1995, Tables 3 and 4, p. 39).
Figure 5.10a:German Inflation Rate: Actual values (––––), permanent component according to S. Beveridge and CH.R. Nelson (-------), permanent component according to R.J. Hodrick and E.C. Prescott (– – –)
Figure 5.10b:German Inflation Rate: cyclical component according to S. Beveridge and CH.R. Nelson (--------), cyclical component according to R.J. Hodrick and E.C. Prescott (––––)
Figure 5.11a:Swiss real money balances M2, 1981 – 2008: Actual values (––––)
and permanent component (--------) due to the Hodrick-Prescott filter
Figure 5.11b:Swiss real money balances M2, 1981 – 2006: Actual values(––––) and permanent component (--------) due to the Hodrick-Prescott filter
6 Cointegration
Figure 6.1:Densities of the estimated t value, R2, and the Durbin-Watson statistic
Table 6.1: Critical Values of the Dickey-Fuller Test onCointegration in the Static Model
α
k
1
2
3
4
Model with constant term
0.10
-2.57
-3.05
-3.45
-3.81
0.05
-2.86
-3.34
-3.74
-4.10
0.01
-3.43
-3.90
-4.30
-4.65
Model with constant term and time trend
0.10
-3.13
-3.50
-3.83
-4.15
0.05
-3.41
-3.78
-4.12
-4.43
0.01
-3.96
-4.33
-4.67
-4.97
The values for k = 1 are the critical values of the Dickey-Fuller unit root test.
Source: J.G. MacKinnon (1991, Table 1, p. 275).
a) Logarithm of the per capita real quantity of money M1
b) Logarithm of the per capita real GNP
c) Long-run interest rate
Figure 6.2: Data for the Federal Republic of Germany, 1961 − 1989
Table 6.2: Critical Values of the Cointegration Testin the Error Correction Model
α
k
2
3
4
Model with constant term
0.10
-2.89
-3.19
-3.42
0.05
-3.19
-3.48
-3.74
0.01
-3.78
-4.06
-4.46
Model with constant term and time trend
0.10
-3.39
-3.62
-3.82
0.05
-3.69
-3.91
-4.12
0.01
-4.27
-4.51
-4.72
Source: A. Banerjee, J.J. Dolado and R. Mestre (1998, Table 1, pp. 276f.)
Figure 6.3: German three month money market rate in Frankfurt
Table 6.3: Results of the Johansen Cointegration Test
Model
Hypotheses
Eigenvalues
Trace Test
max Test
z1, z3
z1, z6
The numbers in parentheses are the p values of the corresponding statistics.
Table 6.4: Results of the Johansen Cointegration Test
Model
Hypotheses
Eigenvalues
Trace Test
max Test
z1, z3, z6VECM(0)
z1, z3, z6VECM(1)
The numbers in parentheses are the p values of the corresponding statistics.
7 Nonstationary Panel Data
Figure 7.1: 10 year government bond yields, January 1990 – December 2006
Table 7.1: p values of the Augmented Dickey-Fuller Testsfor 10 year government bonds
p
p
p
Australia
Canada
Denmark
Germany
0.1503
0.3168
0.3392
0.4502
Japan
New Zealand
Norway
Sweden
0.3254
0.0600
0.2677
0.2060
Switzerland
United Kingdom
United States
0.4564
0.3910
0.2298
Figure 7.2: Cross-sectional average of the U.S. spreads
Table 7.2: CADF Test statistics for spreads against the U.S.
tρ
ki
tρ
ki
Australia
Canada
Denmark
Germany
Japan
-2.96
-3.69
-3.92
-5.05
-2.80
0
0
0
0
2
New Zealand
Norway
Sweden
Switzerland
United Kingdom
-2.55
-3.13
-1.70
-3.20
-2.90
0
2
1
0
2
Table 7.3:Ordered p values for Augmented Dickey-Fuller testsfor the spreads with α = 0.1
p(j)
jα/10
p(j)
jα/10
New Zealand
Switzerland
Australia
United Kingdom
Germany
0.0298
0.0406
0.1044
0.1371
0.1385
0.01
0.02
0.03
0.04
0.05
Norway
Denmark
Sweden
Japan
Canada
0.1545
0.2070
0.2367
0.3152
0.4717
0.06
0.07
0.08
0.09
0.10
Table 7.4: Ordered p values for tests for no cointegration
p(j)
p(j)
Denmark
Sweden
United Kingdom
New Zealand
Germany
1.45
1.95
1.56
1.16
1.13
0.0748
0.0841
0.0882
0.1120
0.1200
Switzerland
Australia
Canada
Norway
Japan
0.96
1.56
1.35
1.33
1.26
0.1474
0.1705
0.2394
0.3324
0.4114
Table 7.5: Estimates of the error correction adjustment coefficient
i
i
OLS
SUR
OLS
SUR
Australia
Canada
Denmark
Germany
Japan
-0.045(-2.77)
-0.036(-1.56)
-0.065(-3.47)
-0.063(-2.06)
-0.022(-1.13)
-0.067(-5.12)
-0.066(-3.68)
-0.079(-6.05)
-0.083(-5.67)
-0.037(-2.54)
New Zealand
Norway
Sweden
Switzerland
United Kingdom
-0.062(-2.75)
-0.050(-2.97)
-0.032(-3.03)
-0.060(-2.03)
-0.044(-2.69)
-0.064(-3.63)
-0.060(-4.64)
-0.043(-4.49)
-0.075(-4.27)
-0.057(-4.34)
The numbers in parentheses are the t statistics of the estimated parameters.
Table 7.6: Estimates of the short-run US influence
Australia
Canada
Denmark
Germany
Japan
0.224(2.39)
0.104(1.19)
0.070(0.98)
0.127(2.23)
0.103(1.82)
0.269(2.83)
0.151(1.73)
0.136(1.88)
0.176(3.08)
0.123(2.18)
New Zealand
Norway
Sweden
Switzerland
United Kingdom
0.075(0.91)
0.031(0.42)
0.010(0.12)
0.047(0.93)
0.049(0.61)
0.114(1.38)
0.092(1.25)
0.049(0.57)
0.100(1.96)
0.087(1.07)
The numbers in parentheses are the t statistics of the estimated parameters.
Table 7.7: SUR error correction estimates
Australia
Canada
Denmark
Germany
Japan
0.828
0.957
1.338
1.096
0.590
New Zealand
Norway
Sweden
Switzerland
United Kingdom
0.588
1.312
1.638
0.938
1.246
8 Autoregressive Conditional Heteroscedasticity
a) German Stock Market Index: Data
b) German Stock Market Index: Continuous returns
c) German Stock Market Index: Histogram of the continuous returns
Figure 8.1:German Stock Market Index, 2 January 1996 until 19 May 1999, 842 observations
d) Estimated autocorrelations of the residuals
e) Estimated autocorrelations of the squared residuals
Figure 8.1:German Stock Market Index, 2 January 1996 until 19 May 1999, 842 observations (continued)
Figure 8.2:Density functions of a normalised t distribution with 5 degrees of freedom, variance one and a standard normal distribution
X19811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.252007.52007.7520082008.252008.5239.11412799716192241.1671141261852243.23152862176784245.32420903113001247.46094053898167249.64958741649198251.88618589957301254.15798019752199256.44568135206202258.72758076946201260.98730251297496263.21272309778698265.39536802033598267.528848188425269.60935021617303271.63435236698069273.60116726440896275.50584965727694277.33957224210076279.08840619342578280.73342926756823282.25184843890293283.61636998254193284.79602885091799285.75656937790069286.46178567976278286.87550972258214286.96533088923394286.70591098055695286.08206445049569285.09869837305098283.78434658000197282.19034899839926280.385948593644278.45454153937402276.48577991967113274.57423711694798272.81546524100969271.29695444195403270.097072117729269.28352185760679268.91489937543702269.03625524647873269.68014196391601270.86555725068075272.59990644582194274.87654817371202277.67319393308969280.95175288413299284.663590557357288.75667860513897293.17785640764799297.87382727371931302.79455458919369307.89391243188913313.12882524547564318.45713779141369323.83632320869572329.2162558510542334.54240455276232339.75826687816698344.80977258170998349.65190022109101354.244880298184358.555893905554362.55860436475825366.23360502458195369.57353438557863372.58205531818169375.27369143593802377.67576437684738379.82263394381602381.75580512197001383.52233064807575385.17860491910398386.79344689733102388.44547664695301390.21514038049469392.17814407401499394.399511096781396.92831047905185399.79441746346464403.00201778433501406.53024695107575410.33293183325202414.34589760572567418.48667104377699422.65568308616525426.74099005922898430.62342233323687434.19221049214894437.35054535409802440.02174242139063442.14727510665432443.68940418642978444.62834073499903444.95560403836708444.66781944848384443.77144760528364442.28606397755169440.24731934607235437.70373114983403434.71310493189623431.33995023011198427.65420518162887423.72477276975098419.61599807241464415.38571861936401411.08072043721569406.73782323898195402.382930069022Y19811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.252007.52007.7520082008.252008.5257.39951449300003249.82180317800001241.547748614232.65074736300082228.53608412499995235.58234483300103241.433117783250.28656347099999264.97793252799869265.53150385199734266.825672532266.54938127200001269.51649812599999269.59548704199869269.34432646900001269.62175278699863265.78988357499998267.34341449300001269.35010310500002272.89515505499776273.53231046999775276.37773213899999278.35138028400002281.67568070200002285.81712906999923292.47365253300001298.19137848499764303.20957585500003318.85410306199969323.88487690599999321.58845080499964312.42920792999894304.83548219099998290.39540530900001286.32861883799899278.05174378599969261.67510156499969258.21906179500002254.23486058499998255.52447141200079247.61130014400001248.91796802000002247.348622879251.13232772000001248.39081379300001247.56450541699999249.59280648000103260.80338647399969275.52154786499869282.851955019288.53896447599863298.39397962199899304.13093442099893307.67513996099734309.36642090399999312.53422928799893306.29908137000001316.787492085326.06222396999999338.43390869599864354.2363520929967353.21288326199999360.77284532900217364.61644668000002369.64393748399999381.830847178383.87259683399998386.95072337699969393.058894436386.53475529199869389.10805591799863388.69903658799899396.70246141699999403.40163517499963400.86036796699869389.71528423000001380.86109830100003373.12296951500002366.65120166399998363.68945088599997355.82509718599999359.71405761099999362.50819401499899377.72753544499687381.05549250399997386.99255914499764398.68729120299969411.09415334699764440.18133198799717452.95979699199899466.39170517899805466.40320186500003473.28152468399969470.86775149499999461.78254293399999452.79804626399869460.692064786465.65154564099993469.49194678199734462.87271710700003455.10828587499998448.43012279899688443.39886381299999429.68370409099964420.36155656999864413.31269567900193401.93359306399793399.43961684999869393.61405059400181384.48650702699734383.18937530599999Z119811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.252007.52007.7520082008.252008.500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000010000000100000001000000010000000100000001000000010000000100000001000000010000000100000001000000010000000Z219811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.252007.52007.7520082008.252008.5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000000010000000100000001000000010000000
X19811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.25239.11501412204649241.16791022366795243.23223413801901245.3248223609308247.46145858477701249.65000520506098251.88649625825056254.15817349307256.44574529671098258.72750030009303260.98705975115234263.21229740005964265.39473612995732267.52798450141108269.60822717624302271.63294100535717273.59943790170894275.50377278563394277.33711960599669279.08555208773993280.73015207048348282.24813239571705283.61220725391001284.79142183538602285.75153331360599286.45635152382499286.86972729864397286.95927228379901286.69967415701097286.07577703573901285.09252155550303283.77847903924601282.18503076568823280.38146471911102278.45122541593003276.484016085436274.57446332780711272.81817357302697271.30269114998998270.10643594271926269.29716044114008268.93350340734366269.06054994073895269.71087543110895270.90348531383387272.64577343196498274.93106320886199277.73700227536898281.02540185187769284.74748964890205288.8510534682116293.28269640244395297.98882648859654302.91904631570202308.02679729022663313.26849337718699318.60138580634901323.98226689241704329.36024000983514334.67991179877993339.88382763941587344.91687915995601349.73292831640703354.29102206733199358.55710731943338362.503584369789366.10978278433669369.36711166825694372.27808188553098374.85619405744194377.12793681312405379.127097882481380.89495256985708382.47875864128332383.93565355583695385.33585157040301386.76014488839195388.29206285861869390.011447925786391.98866185125195394.27946624246403396.9219357000116399.93011084383699403.29477737005897406.98333227678648410.94719303593405415.12157221954197419.42671075347613423.77257813797695428.06393602488896432.21580153722198436.15875171109099439.84472352238402443.24455672833705446.34998908691381449.1700228528451.72330562684499454.03075252452493456.11888413579567458.02148404629366459.78069400584138461.44168778489097463.04671889883269464.62990863493837Y19811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.25257.39951449300003249.82180317800001241.547748614232.65074736300082228.53608412499995235.58234483300103241.433117783250.28656347099999264.97793252799869265.53150385199734266.825672532266.54938127200001269.51649812599999269.59548704199869269.34432646900001269.62175278699863265.78988357499998267.34341449300001269.35010310500002272.89515505499776273.53231046999775276.37773213899999278.35138028400002281.67568070200002285.81712906999923292.47365253300001298.19137848499764303.20957585500003318.85410306199969323.88487690599999321.58845080499964312.42920792999894304.83548219099998290.39540530900001286.32861883799899278.05174378599969261.67510156499969258.21906179500002254.23486058499998255.52447141200079247.61130014400001248.91796802000002247.348622879251.13232772000001248.39081379300001247.56450541699999249.59280648000103260.80338647399969275.52154786499869282.851955019288.53896447599863298.39397962199899304.13093442099893307.67513996099734309.36642090399999312.53422928799893306.29908137000001316.787492085326.06222396999999338.43390869599864354.2363520929967353.21288326199999360.77284532900217364.61644668000002369.64393748399999381.830847178383.87259683399998386.95072337699969393.058894436386.53475529199869389.10805591799863388.69903658799899396.70246141699999403.40163517499963400.86036796699869389.71528423000001380.86109830100003373.12296951500002366.65120166399998363.68945088599997355.82509718599999359.71405761099999362.50819401499899377.72753544499687381.05549250399997386.99255914499764398.68729120299969411.09415334699764440.18133198799717452.95979699199899466.39170517899805466.40320186500003473.28152468399969470.86775149499999461.78254293399999452.79804626399869460.692064786465.65154564099993469.49194678199734462.87271710700003455.10828587499998448.43012279899688443.39886381299999429.68370409099964Z119811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.25000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000100000001000000010000000100000001000000010000000100000001000000019811981.251981.51981.7519821982.251982.51982.7519831983.251983.51983.7519841984.251984.51984.7519851985.251985.51985.7519861986.251986.51986.7519871987.251987.51987.7519881988.251988.51988.7519891989.251989.51989.7519901990.251990.51990.7519911991.251991.51991.7519921992.251992.51992.7519931993.251993.51993.7519941994.251994.51994.7519951995.251995.51995.7519961996.251996.51996.7519971997.251997.51997.7519981998.251998.51998.7519991999.251999.51999.7520002000.252000.52000.7520012001.252001.52001.7520022002.252002.52002.7520032003.252003.52003.7520042004.252004.52004.7520052005.252005.52005.7520062006.252006.52006.7520072007.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
Source: Kirchgässner, Gebhard / Wolters, Jürgen / Hassler, Uwe: Introduction to Modern Time Series Analysis, © Springer-Verlag Berlin Heidelberg 2013 ISBN 978-3-642-33435-1 / ISBN 978-3-642-33436-8 (eBook)
Source: Kirchgässner, Gebhard / Wolters, Jürgen / Hassler, Uwe: Introduction to Modern Time Series Analysis, © Springer-Verlag Berlin Heidelberg 2013 ISBN 978-3-642-33435-1 / ISBN 978-3-642-33436-8 (eBook)
Source: Kirchgässner, Gebhard / Wolters, Jürgen / Hassler, Uwe
Introduction to Modern Time Series Analysis, © Springer-Verlag Berlin Heidelberg 2013
ISBN 978-3-642-33435-1 / ISBN 978-3-642-33436-8 (eBook)
-20
-15
-10
-5
0
5
10
15
19651970197519801985
percent
year
0.257
0.006
43.559
(0.00)
0.843
(0.97)
42.715
(0.00)
-10
-5
0
5
10
15
20
19651970197519801985
bn Euro
year
0.843
(0.97)
0.205
0.009
34.276
(0.00)
-4
-2
0
2
4
6
8
10
19651970197519801985
year
percent
1.267
(0.91)
33.010
(0.00)
r2
£
100
200
300
400
500
600
700
19701980199020002010
bn Euro
year
0.448
0.187
0.008
116.587
(0.00)
31.087
(0.00)
-50
-40
-30
-20
-10
0
10
20
30
40
50
20
40
60
80
100
1.204
(0.92)
85.500
(0.00)
29.883
(0.00)
-50
-40
-30
-20
-10
0
10
20
30
40
50
20
40
60
80
100
0.384
0.177
0.008
98.883
(0.00)
29.172
(0.00)
CHF/USD
0.5
1
1.5
2
2.5
3
3.5
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
-15
-10
-5
0
5
10
15
20
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
b)
Continuous Returns
CHF/USD
a)
Exchange Rate
CHF/USD 1974
–
2011
20
11
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
5
10
15
20
c)
Estimated Autocorrelations
r(t)
ˆ
t
year
year
percent
1.173
(0.93)
69.711
(0.00)
27.999
(0.00)
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Australia
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Canada
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Denmark
0.5
1
1.5
2
2.5
3
3.5
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
0.5
1
1.5
2
2.5
3
3.5
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
-15
-10
-5
0
5
10
15
20
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
-15
-10
-5
0
5
10
15
20
1974
1978
1982
1986
1990
1994
1998
2002
2006
2010
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
5
10
15
20
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
5
10
15
20
ˆ
CHF/USD
��
��
b) Continuous Returns CHF/USD
a) Exchange Rate CHF/USD 1974 – 2011 2011
��
c) Estimated Autocorrelations
�
�
year
year
percent
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Germany
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Japan
0
2
4
6
8
10
12
14
1990 1995 2000 2005
New Zealand
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Norway
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Sweden
0
2
4
6
8
10
12
14
1990 1995 2000 2005
Switzerland
0
2
4
6
8
10
12
14
1990 1995 2000 2005
United Kingdom
0
2
4
6
8
10
12
14
1990 1995 2000 2005
United States
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
2.4
199019921994199619982000200220042006
j
ˆ
b
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
20
15
10
5
t
t
r(t)
ˆ
t
-
7.5
-
5
-
2.5
0
2.5
5
7.5
r(t)
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
c) Estimated autoc
orrelation function
with confidence intervals
b)
Theoretical autocorrelation function
a)
Realisation
x
t
i
b
*
i
b
i,ec
b
%
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
b) Theoretical autocorrelation function
5
10
15
20
t
ˆ
-7.5
-5
-2.5
0
2.5
5
7.5
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
c) Estimated autocorrelation function
with confidence intervals
a) Realisation
xt
2000
3000
4000
5000
6000
7000
2 January 1996
19 May 1999
22 July 1998
8 October 1998
28 October 1997
31 July 1997
-.12
-.08
-.04
.00
.04
.08
2 January 1996
19 May 1999
0
50
100
150
-0.075-0.050-0.0250.0000.0250.050
ˆ
()
rt
t
0.0
0.4
0.8
02468101214161820
t
t
t
-
4
-
2
0
2
4
c) Est
imated autocorrelation function
with confidence intervals
r(t)
r(t)
ˆ
b) Theoretical autocorrelation function
a) Realisation
-
0.8
-
0.6
-
0.4
-
0.2
-
1
0
0.2
0.4
0.6
0.8
1
5
10
15
20
1
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
20
15
10
5
x
t
0.0
0.4
0.8
02468101214161820
.0
.1
.2
.3
.4
.5
-5-4-3-2-1012345
Standard
normal distribution
Modified t-distribution
t
-4
-2
0
2
4
20
15
10
5
-1
1
0.8
0.6
0.4
0.2
0
-0.2
ˆ
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-0.4
-0.6
-0.8
-1
c) Estimated autocorrelation function�with confidence intervals
0.8
b) Theoretical autocorrelation function
a) Realisation
1
xt
5
10
15
20
-
5
-
2.5
0
2.5
5
t
t
t
a) Realisation
b) Theoretical autocorrelation function
c) Estimated autocorrelation function
with confidence intervals
1
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
5
10
15
r(t)
ˆ
r(t)
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
10
15
20
20
5
x
t
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
xt
10
15
20
-5
-2.5
0
2.5
5
t
a) Realisation
b) Theoretical autocorrelation function
c) Estimated autocorrelation function�with confidence intervals
5
ˆ
40
42
44
46
48
50
52
54
56
1971
1973
1975
1977
1979
1981
a) Popularity of the CDU/CSU, 1971
–
1982
t
t
r
)
(
ˆ
t
r
)
(
ˆ
t
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
c)
Estimated autocorrelation function of the
residuals of the estimated AR(1)
-
process
with confidence intervals
b)
Autocorrelation (
__
) and partial ( )
autocorrelation function
s
with
confidence intervals
year
Percent
20
15
-0.6
10
0
5
-0.4
1
-0.2
0.8
0.6
0.8
0.4
0.4
0.2
0.2
0
0.6
-0.2
-0.4
-0.6
5
-0.8
10
-1
1
-0.8
ˆ
15
Percent
(
20
)
b)Autocorrelation (__) and partial ( )
autocorrelation functions with confidence intervals
c)Estimated autocorrelation function of the�residuals of the estimated AR(1)-process
with confidence intervals
ˆ
(
)
-1
a) Popularity of the CDU/CSU, 1971 – 1982
year
1981
1979
1977
1975
1973
1971
56
54
52
50
48
46
44
42
40
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
10
5
15
20
-
10
-
5
0
5
10
t
t
t
c) Estimated autocorrelation function
with confidence intervals
r(t)
ˆ
r(t)
a) Realisation
b)
Theoretical autocorrelation function
x
t
-10
-5
0
5
10
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
t
c) Estimated autocorrelation function�with confidence intervals
xt
ˆ
a) Realisation
b) Theoretical autocorrelation function
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-
1
r(t)
t
t
b)
Theoretical autocorrelation function
c)
Estimated autocorrelation function
with confidence
intervals
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
t
r(t)
ˆ
-
5
-
2.5
0
2.5
5
a)
Realisation
x
t
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
t
b)Theoretical autocorrelation function
c)Estimated autocorrelation function�with confidence intervalssnfidence intervass with α= 0. ������������������������������������������������������������������������������������������������
xt
ˆ
-5
-2.5
0
2.5
5
a)Realisation
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
a) Three month money market rate in Frankfurt
1970 – 1998
) (
ˆ
c) Estimated autocorrelation function of the
residuals of the estimated AR(2) -process
with confidence intervals
) (
ˆ
b) Estimated autocorrelation (
__
) and partial
autocorrelation (
) functions with confidence
intervals
10 5 15 20
5 10 15 20
0
2
4
6
8
10
12
14
16
197019751980198519901995
year
Percent
0
2
4
6
8
10
12
14
16
197019751980198519901995
b)Estimated autocorrelation (__) and partial autocorrelation (�) functions with confidence intervals
Percent
year
20
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
10
15
a) Three month money market rate in Frankfurt
1970 – 1998
)
(
ˆ
c)Estimated autocorrelation function of the �residuals of the estimated AR(2)-process
with confidence intervals
)
(
ˆ
20
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
f
kk
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
k
AR(1) pro
cess with
a
=
-
0.9
AR(2) process with
a
1
= 1.4,
a
2
=
-
0.85
f
kk
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
k
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
k
AR(2) process with
a
1
= 1.5,
a
2
=
-
0.56
f
kk
-
1
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1
k
AR(1) process with
a
= 0.9
f
kk
5
10
15
20
5
10
15
20
5
10
15
20
5
10
15
20
0.6
0.4
-0.4
0.2
0.2
0
-0.2
-0.2
0
-0.4
-0.6
1
-0.8
0.6
-1
0.4
(kk
0.8
AR(1) process with = 0.9
k
(kk
5
AR(2) process with 1= 1.5, 2= -0.56
10
k
-1
0.6
-0.6
0.4
15
-0.4
0.2
20
-0.2
0
-0.6
0
-0.2
-0.8
0.2
-0.4
-0.6
1
-0.8
0.4
20
0.6
15
0.8
10
-0.8
5
10
-1
5
1
20
15
10
5
-1
k
0.8
k
1
AR(1) process with = -0.9
AR(2) process with 1= 1.4, 2= -0.85
0.8
(kk
(kk
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
t
t
t
a = 0.5, b = 0.8
a = -0.5, b = -0.8
a = 0.8, b = -0.5
a = -0.8, b = 0.5
t
r(t)
r(t)
r(t)
r(t)
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5101520
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
20
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
20
-0.6
-0.8
-1
20
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0
1
2
3
4
5
6
7
8
1994 1996 1998 2000 2002
c) Autocorrelation function of the residuals
of the estimated ARMA(1,1) -process
with confidence intervals
ˆ
a) New York three month money market rate,
1994 – 2003
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5 10 15 20
b) Autocorrelation (
__
) and partial ( )
autocorrelation functions of the first
differences with confidence intervals
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5 10 15 20
Percent
year
a)New York three month money market rate,
1994 – 2003
year
Percent
b)Autocorrelation (__) and partial ( )
autocorrelation functions of the first differences with confidence intervals
2000
1998
1994
1996
2002
8
7
6
5
4
3
2
1
0
20
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
ˆ
c)Autocorrelation function of the residuals
of the estimated ARMA(1,1)-process
with confidence intervals
20
15
10
5
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
-6
-4
-2
0
2
4
6
8
1970197219741976197819801982198419861988
Growth Rate of Real GDP
Interest Rate Spread (t-4)
(GLR - GSR)
percent
year
ˆ
ρ(k)
ˆ
r
(0)
*
1
k
*
2
k
*
1
k
ˆ
r
R
-0.4
0.0
0.4
0.8
1.2
2468101214161820
Response of X1 to X1
-0.4
0.0
0.4
0.8
1.2
2468101214161820
Response of X1 to X2
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
2468101214161820
Response of X2 to X1
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
2468101214161820
Response of X2 to X2
-4
-3
-2
-1
0
1
2
3
5101520
Accumulated Response of X1 to X1
-4
-3
-2
-1
0
1
2
3
5101520
Accumulated Response of X1 to X2
-1
0
1
2
3
4
5
6
5101520
Accumulated Response of X2 to X1
-1
0
1
2
3
4
5
6
5101520
Accumulated Response of X2 to X2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
5101520
Response of DLGDPR to DLGDPR
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
5101520
Response of DLGDPR to DLM1R
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
5101520
Response of DLGDPR to GLSR
-2
-1
0
1
2
3
5101520
Response of DLM1R to DLGDPR
-2
-1
0
1
2
3
5101520
Response of DLM1R to DLM1R
-2
-1
0
1
2
3
5101520
Response of DLM1R to GLSR
-0.8
-0.4
0.0
0.4
0.8
1.2
5101520
Response of GLSR to DLGDPR
-0.8
-0.4
0.0
0.4
0.8
1.2
5101520
Response of GLSR to DLM1R
-0.8
-0.4
0.0
0.4
0.8
1.2
5101520
Response of GLSR to GLSR
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLGDPR to DLGDPR
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLGDPR to DLM1R
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLGDPR to GLSR
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLM1R to DLGDPR
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLM1R to DLM1R
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of DLM1R to GLSR
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of GLSR to DLGDPR
-4
-2
0
2
4
6
8
2468101214161820
Accummulated Response
of GLSR to DLM1R
-4
-2
0
2
4
6
8
5101520
Accummulated Response
of GLSR to GLSR
0
100
200
300
400
500
255075100
-100
0
100
200
300
400
255075100
0
20
40
60
80
100
120
140
160
255075100
-12
-8
-4
0
4
8
12
-8
-6
-4
-2
0
2
4
6
8
O
r
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-8
-6
-4
-2
0
2
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6
8
-8
-6
-4
-2
0
2
4
6
8
O
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-8
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-4
-2
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-8
-6
-4
-2
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-16
-12
-8
-4
0
4
8
12
16
-8
-6
-4
-2
0
2
4
6
8
O
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-8
-4
0
4
8
0
20
40
60
80
100
120
102030405060708090100
Actual and estimated values
Residuals
Model with a linear trend
-20
-10
0
10
20
0
50
100
150
102030405060708090100
Residuals
Actual and estimated values
Model with a random walk with drift
2
R
100
200
300
400
500
600
700
196019701980199020002010
year
bn Euro
Density of the estimated coefficient compared with a
normal distribution with the same variance and = 1
Density of the t statistic
0.1
0.2
0.3
0.4
0.5
0.6
-3.47 -1.96 -1.65 0 -2.88
0
5
10
15
20
25
0.850.90.951
0
5
10
15
20
25
0.850.90.951
Density of the t statistic
Density of the estimated coefficient compared with a�normal distribution with the same variance and = 1
0.1
0.2
0.3
0.4
0.5
0.6
-3.47
-1.96
-1.65
0
-2.88
0
2
4
6
8
10
12
14
1985199019952000
UER
GER/EER
SER
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-3.47 -2.88
Density of the estimated coefficient compared with a
normal distribution with the same variance and μ = 0.95
Density of the Dickey -Fuller t statistic
0
2
4
6
8
10
12
14
16
0.80.850.90.951
0
2
4
6
8
10
12
14
16
0.80.850.90.951
Density of the estimated coefficient compared with a�normal distribution with the same variance and μ = 0.95
Density of the Dickey-Fuller t statistic
-2.88
-3.47
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
0.70.750.80.850.90.951
Density of the Dickey -Fuller t statistic
Density of the estimated coefficient compared with a
normal distribution with the same variance and μ = 0.90
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-2.88 -3.47
0
2
4
6
8
10
12
0.70.750.80.850.90.951
Density of the Dickey-Fuller t statistic
Density of the estimated coefficient compared with a�normal distribution with the same variance and μ = 0.90
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-2.88
-3.47
0
1
2
3
4
5
6
7
19751980198519901995
-1.6
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
19751980198519901995
-40
-30
-20
-10
0
10
20
30
19651970197519801985
bn Euro
year
0
0.01
0.02
0.03
0.04
0.05
-60
-40
-20
0
20
40
60
Density
of the
t
statistic
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
0.2
0.4
0.6
0.8
1
Density
of the R
2
0
1
2
3
4
5
6
7
8
9
10
0
0.1
0.2
0.3
0.4
Density
of
the Durbin
-
Watson statistic
0
0.01
0.02
0.03
0.04
0.05
-60-40-200204060
Density of the t statistic
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
00.20.40.60.81
Density of the R2
0
1
2
3
4
5
6
7
8
9
10
00.10.20.30.4
Density of the Durbin-Watson statistic
4.8
5.2
5.6
6.0
6.4
19651970197519801985
ln(M )
t
year
5.2
5.6
6.0
6.4
6.8
19651970197519801985
ln(Y )
t
year
4
6
8
10
12
19651970197519801985
percent
year
3
4
5
6
7
8
9
10
198719891991199319951997
percent
year
r0
=
r1
£