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Unemployment and econometric learning

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  • Singleton, Carl
  • Schaefer, Daniel

Abstract

We apply well-known results of the econometric learning literature to a standard RBC model with unemployment. The unique REE is always expectationally stable with decreasing gain learning, and this result is robust to over-parametrisation of the econometric model relative to the minimum state variable form used by agents (Strong E-stability). And so, from this perspective, the assumption of rational expectations in the Mortensen-Pissarides is not unreasonable. Using a parametrisation with UK data, simulations suggest that the implied rate of convergence to the rational expectations equilibrium (REE) with least squares learning is however slow. The cyclical response of unemployment to structural shocks is muted under learning, and a parametrisation which guarantees root-t convergence is generally not consistent with attempts to match the observed volatility of labour market data using the standard model.

Suggested Citation

  • Singleton, Carl & Schaefer, Daniel, 2015. "Unemployment and econometric learning," MPRA Paper 63162, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:63162
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    References listed on IDEAS

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    More about this item

    Keywords

    Real business cycle; unemployment; adaptive learning; expectational stability;

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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