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MPCs, MPEs and Multipliers: A Trilemma for New Keynesian Models

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Listed:
  • Adrien Auclert
  • Bence Bardóczy
  • Matthew Rognlie

Abstract

We show that New Keynesian models with frictionless labor supply face a challenge: given standard parameters, they cannot simultaneously match plausible estimates of marginal propensities to consume (MPCs), marginal propensities to earn (MPEs), and fiscal multipliers. A HANK model with sticky wages provides a solution to this trilemma.

Suggested Citation

  • Adrien Auclert & Bence Bardóczy & Matthew Rognlie, 2020. "MPCs, MPEs and Multipliers: A Trilemma for New Keynesian Models," NBER Working Papers 27486, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:27486
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • H31 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Household

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