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Macroeconomic Fluctuations with HANK & SAM: An Analytical Approach

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  • Ravn, Morten
  • Sterk, Vincent
Abstract
New Keynesian models with unemployment and incomplete markets are rapidly becoming a new workhorse model in macroeconomics. Such models typically require heavy computational methods which may obscure intuition and overlook equilibria. We present a tractable version which can be characterized analytically. Our results highlight that - due to the interaction between incomplete markets, sticky prices and endogenous unemployment risk - productivity shocks may have radically different effects than in traditional NK models, that the Taylor principle may fail, and that pessimistic beliefs may be self-fulfilling and move the economy into temporary episodes of low demand and high unemployment, as well as into a long-lasting “unemployment trap”. At the Zero Lower Bound, the presence of endogenous unemployment risk can create in‡ation and overturn paradoxical properties of the model. We further study financial asset prices and show that non-negligible risk premia emerge.

Suggested Citation

  • Ravn, Morten & Sterk, Vincent, 2016. "Macroeconomic Fluctuations with HANK & SAM: An Analytical Approach," CEPR Discussion Papers 11696, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:11696
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    More about this item

    Keywords

    Sticky prices; Incomplete asset markets; Matching frictions; Multiple equilibria;
    All these keywords.

    JEL classification:

    • E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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