rethinking growth policy two years into the crisis
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Rethinking Growth Policy Two Years Into the Crisis. Philippe Aghion. Introduction. In previous work and reports, I emphasized the need for structural reforms in Europe and for investing in higher education - PowerPoint PPT PresentationTRANSCRIPT
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Rethinking Growth Policy Two Years Into the Crisis
Philippe Aghion
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Introduction
In previous work and reports, I emphasized the need for structural reforms in Europe and for investing in higher education
In this lecture I want to discuss the extent to which the recent crisis should affect our previous conclusions
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Outline
Schumpeterian growth paradigm My pre-crisis growth recommendations New constraints brought about by the recession Dominant policy views and their weaknesses Updating the recommendations Wrapping-up
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A paradigm for analyzing growth policy
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Schumpeterian Paradigm
Innovation is driven by entrepreneurial investments (R&D…) which are themselves motivated by the prospect of monopoly rents
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Schumpeterian Paradigm
Frontier innovation and imitation requires different sets of policies and institutions
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Schumpeterian Paradigm
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Example 1: Competition & Growth
Competition/entry is more growth-enhancing for countries or sectors that are closer to technological frontier
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Example 2: Education
Higher education is more growth-enhancing closer to technological frontier
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Similarly
Labor market flexibility is more growth enhancing the closer a country is to the technological frontier
Stock markets and equity finance are more growth-enhancing closer to technological frontier
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Thus in previous reports on how to enhance growth in developed and emerging market economies we would all typically recommend:Liberalization of trade, and of product
and labor marketsInvestment in higher education
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New Constraints Brought About by the Recession
Weakening of public finances Tightening of credit constraints Need to correct global imbalances
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Two Contrasted Views of How to React to the Crisis
Keynesian view (non-discriminatory increase in public spending)
Monetarist view (tax and spending cuts)
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However
Keynesian multiplier might be small Fiscal policy matters over the cycle
when firms are credit-constrained
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Keynesian Multiplier Might Be Small
Perotti (2005): government spending multipliers larger than 1 can only be seen in the US pre-1980 period
Cogan, Cwik, Taylor and Wieland (2009) find that permanent increase by 1% of GDP of government expenditures, increases GDP by only .44% (whereas Romer and Bernstein (2009) find a 1.57% increase).
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Fiscal Policy Over the Cycle
17 OECD countries, 45 manufacturing industries
Period 1980-2005 Countercyclical fiscal policy enhances
growth more in sectors that are more dependent on external finance or in sectors with lower asset tangibility
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Fiscal Policy Over the Cycle
Similar conclusions for monetary policy
Yet the latter does not substitute for the former
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A Pledge for Targeted Intervention
Labor market policies (subsidize training, provide job search assistance, subsidize part-time employment,...)Example of Germany
A renewed case for sectoral subsidies?
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Sectoral Policy (1)
In aftermath of WWII, many developing countries have opted for trade protection and import substitution policies aimed at promoting new infant industries
Over time, and particularly since the 1980s, economists have come to dislike sectoral (“industrial”) policy on two grounds: (i) it focuses on big incumbents (‘national
champions); (ii) governments are not great in ‘picking winners’.
Current dominant view is that sectoral policy should be avoided especially when it undermines competition
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Sectoral Policy (2)
A first argument for sectoral policy Redirect technical change when there is path-dependence in the direction of innovation under laissez-faire (AABH)
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Sectoral Policy (3)
Basic idea: firms’ propensity to innovate “clean”
versus dirty: Is positively correlated with stock of past
clean innovation Is negatively correlated with stock of past
dirty innovation Hence a role for government intervention in
redirecting technical change (carbon tax, research subsidies)
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Sectoral Policy (4)
12,000 patents in “clean” technologies Electric vehicles, hybrid vehicles, fuel cells
36,000 patents in “dirty” technologies Regular combustion engines
Filed by 7,000 patent holders Between 1978 and 2007
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Sectoral Policy (5)
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Sectoral Policy (6)
Current work with Ann Harrison Panel data of Chinese firms, 1988-2007 Industrial firms from NBS: annual survey of all
firms with more than 5 million RMB sales Regress TFP on:
Subsidies received by firm as a share of sales COMP=1 - LERNER INDEX Sector-level controls, firm and time fixed effects
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Sectoral Policy (7)
Findings are that: The higher competition, the more positive (or
less negative) the effect of subsidies on average TFP
The overall effect of subsidies on TFP is positive if competition is sufficiently high and/or subsidies are not too concentrated among firms in the sector
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Sectoral Policy (8)
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Investing in Growth While Reducing Public Deficits
How to Square the Circle? Cut spending intelligentlyFiscal Reform
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Side Remark on Tax and Growth
Effect of taxation on growth depends a lot on how government uses tax revenues
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Growth Rate and Tax BurdenHigh Corruption Countries
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Growth Rate and Tax BurdenLow Corruption Countries
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Econometric Analysis
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Conclusions
(How) should we amend or complete the Spence Report in light of the recession?
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Conclusion 1:
A macroeconomic policy which is neither Keynesian nor monetaristGovernment should pursue actively
countercyclical fiscal and monetary policies, particularly to sustain investment and growth in credit-constrained sectors
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Conclusion 2:
Unlike what monetarists suggest, govt should not cut on all public spending...
However, unlike what Keynesians would suggest...govt should target public spendingLabor market policiesAppropriate sectoral policies (e.g
competition friendly)
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Conclusion 3:
Unlike what monetarists recommend, government should not give up on progressive taxation if it can commit to make good use of tax revenues
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Conclusion 4:
Government should invest in trust to foster market liberalization and consolidate structural reforms
Mario Monti’s point on fiscal reform cum product market liberalization in Europe
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Conclusion 4 (cont)
Hence regulation of product and labor markets, appear to be negatively correlated with trust
This does not mean that liberalizing markets will automatically bring about trust
Also, negative correlation between regulation and trust does not carry over to: Financial regulation Fiscal policy
tax ethics appears to be positively correlated with tax monitoring
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Impact of Tax Staff on Tax Ethics
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Impact of the Number of Audits on Tax Ethics
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Intuition
With higher tax monitoring you ⇒expect fellow citizens to evade taxes less you are more likely to find it ⇒unethical not to pay taxes
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Wrapping-Up: Three Layers in Growth Policy Design
Already in Spence report:Policy layer: support to R&D, human
capital investment, ...Institutional layer: IPRs, law
enforcement, market liberalization,...
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Wrapping-Up: Three Layers in Growth Policy Design
Need to add third “Trust” or “Norms” layer Trust and ethics bolster market flexibilityHowever
• Market liberalization without social capital investment may undermine trust
• Financial regulation and progressive taxation enhance trust and ethics
• Virtues of gradualism
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Wrapping-Up: Three Layers in Growth Policy Design
Should we all become Scandinavians?Priority investments in R&D, higher
education, green innovationHighly progressive taxationTransparency and trustStrong regulation of financial sector
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