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Understanding HANK: Insights from a PRANK

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  • Sushant Acharya

    (Federal Reserve Bank of New York)

  • Keshav Dogra

    (Federal Reserve Bank of New York)

Abstract

Does market incompleteness radically transform the properties of monetary economies? Using an analytically tractable heterogeneous agent New Keynesian (NK) model, we show that whether incomplete markets resolve `policy paradoxes' in the representative agent NK model (RANK) depends primarily on the cyclicality of income risk, rather than incomplete markets per se. Incomplete markets reduce the effectiveness of forward guidance and multipliers in a liquidity trap only if risk is procyclical. Acyclical or countercyclical risk amplifies these puzzles relative to RANK. Cyclicality of risk also affects determinacy: procyclical risk permits determinacy even under a peg, while countercyclical income risk generates indeterminacy even if the Taylor principle holds. Finally, we uncover a new dimension of monetary-fiscal interaction. Since fiscal policy affects the cyclicality of income risk, it influences the effects of monetary policy even when `passive'.

Suggested Citation

  • Sushant Acharya & Keshav Dogra, 2018. "Understanding HANK: Insights from a PRANK," 2018 Meeting Papers 539, Society for Economic Dynamics.
    • Handle: RePEc:red:sed018:539
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    More about this item

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • 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
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy

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