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Model Uncertainty and Policy Design

Author

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  • Anastasios G. Karantounias

Abstract

This article illustrates the main challenges and forces that emerge in optimal policy design when there are doubts about the probability model of uncertainty. Model doubts can stem from either the side of the public or the side of the policymaker, and they can give rise to cautious probabilistic assessments. A basic idea that surfaces in setups with model uncertainty is the management of the public's pessimistic expectations by the policymaker. The article also presents several implications of this idea.

Suggested Citation

  • Anastasios G. Karantounias, 2020. "Model Uncertainty and Policy Design," Policy Hub, Federal Reserve Bank of Atlanta, vol. 2020(17), pages 1-16, December.
    • Handle: RePEc:fip:a00068:99011
    DOI: 10.29338/ph2020-17
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    More about this item

    Keywords

    Model uncertainty; ambiguity aversion; multiplier preferences; misspecification; pessimistic expectations; paternalism; taxation; austerity; competitive fringe;
    All these keywords.

    JEL classification:

    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt

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