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Rational Expectations and Economic Policy

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  • Nicola Acocella

Abstract

The introduction of rational expectations in the 1970s undermined the classical theory of economic policy laid down by Tinbergen, Theil and others. Since then rational expectations are often used as a strong argument against policy activism. However, rational expectations do not always imply policy invariance, although sometimes it happens. In fact, in certain circumstances rational expectations can enhance the policymaker’s power to control an economy over time. The new theory of economic policy in a strategic context not only overcomes the Lucas critique, but states the conditions under which policymakers can be fooled by a private sector having rational expectations or, on the contrary, can manage such expectations to enhance their power to control the system.

Suggested Citation

  • Nicola Acocella, 2010. "Rational Expectations and Economic Policy," STUDI ECONOMICI, FrancoAngeli Editore, vol. 0(100), pages 9-18.
  • Handle: RePEc:fan:steste:v:html10.3280/ste2010-100002
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    More about this item

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy

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