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Assessing Aggregate Tests of Efficiency for Dynamic Economies
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Martin Barbie
Published/Copyright:
December 15, 2004
Abstract
In a seminal contribution Abel, Mankiw, Summers, and Zeckhauser (1989) show that from an aggregate dynamic perspective the US economy is Pareto efficient. We argue that, when applying their test, they implicitly make strong assumptions about the economy's future behavior. We show how time series evidence may easily lead to wrong conclusions about the welfare properties of real world economies.We present a test criterion based on Zilcha (1991) and robust evidence that the US economy does not overaccumulate capital. Our contribution highlights that the distinction between efficient capital accumulation and Pareto efficiency is empirically relevant. The latter efficiency benchmark - encompassing also risk sharing issues - cannot be rigorously tested based on available approaches in the literature.
Published Online: 2004-12-15
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Keywords for this article
Overaccumulation of Capital;
Dynamic Efficiency;
Interim Pareto Optimality
Articles in the same Issue
- Advances Article
- Price Stability and Monetary Policy Effectiveness when Nominal Interest Rates are Bounded at Zero
- Contributions Article
- Aggregate Price Changes and Dispersion: A Comparison of the Equity and Goods and Services Markets
- Dissemination of Technology in Market and Planned Economies
- Interest-Rate Smoothing: Monetary Policy Inertia or Unobserved Variables?
- Is the U.S. Aggregate Production Function Cobb-Douglas? New Estimates of the Elasticity of Substitution
- What Does It Take to Explain Procyclical Productivity?
- Endogenous Distribution, Politics, and the Growth-Equity Tradeoff
- Explaining Speculative Expansions
- Tariffs, Entry Regulation and Markups: Country Size Matters
- Schumpeterian Growth, North-South Trade and Wage Rigidity
- Do Federal Reserve Policy Surprises Reveal Superior Information about the Economy?
- Bailouts and Bank Runs in a Model of Crony Capitalism
- Multiple Equilibria in Heterogeneous Expectations Models
- Topics Article
- Empirical Perspectives on Long-Term External Debt
- Output Gap Uncertainty and Monetary Policy During the 1970s
- The UK Household Sector Demand for Risky Money
- The Relationship between Stock Prices, House Prices and Consumption in OECD Countries
- Labor Market Performance and Flexibility: Which Comes First?
- A Simple Locally Interactive Model of Ergodic and Nonergodic Growth
- Do Minimum Wages Raise the NAIRU?
- Strictly Endogenous Growth with Non-renewable Resources Implies an Unbounded Growth Rate
- Creative Destruction and Policy in a Model of Endogenous Growth
- Intergenerational Habits, Fiscal Policy, and Welfare
- Output Composition of the Monetary Policy Transmission Mechanism in Japan
- Socio-Cultural Variables and Economic Success: Evidence from Italian Provinces 1951-1991
- Monetary Policy and the Information Content of the Yield Spread
- The Dynamics of Fertility and Growth: Baby Boom, Bust and Bounce-Back
- Imbalance Effects in the Lucas Model: an Analytical Exploration
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- Unions and Workforce Adjustment Costs
