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Financial frictions: micro vs macro volatility

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  • Lee, Seungcheol
  • Luetticke, Ralph
  • Ravn, Morten O.

Abstract

We introduce frictional financial intermediation into a HANK model. Households are subject to idiosyncratic and aggregate risk and smooth consumption through savings and consumer loans intermediated by banks. The banking friction introduces an endogenous countercyclical spread between the interest rate on savings and on loans. This interacts with incomplete markets because borrowers and savers face different intertemporal prices, and induces a time-varying mass point of high MPC households. Aggregate shocks through their impact on the spread give rise to consumption inequality. We show this mechanism to be empirically relevant. Ex-ante macro prudential regulation reduces welfare by reducing consumption smoothing. JEL Classification: C11, D31, E32, E63

Suggested Citation

  • Lee, Seungcheol & Luetticke, Ralph & Ravn, Morten O., 2021. "Financial frictions: micro vs macro volatility," Working Paper Series 2622, European Central Bank.
    • Handle: RePEc:ecb:ecbwps:20212622
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    References listed on IDEAS

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    Cited by:

    1. Francesco Ferrante & Nils M. Gornemann, 2022. "Devaluations, Deposit Dollarization, and Household Heterogeneity," International Finance Discussion Papers 1336, Board of Governors of the Federal Reserve System (U.S.).
    2. Lubello, Federico & Rouabah, Abdelaziz, 2024. "Securitization, shadow banking system and macroprudential regulation: A DSGE approach," Economic Modelling, Elsevier, vol. 131(C).

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    More about this item

    Keywords

    business cycles; incomplete markets; macroprudential regulation; monetary policy; financial frictions;
    All these keywords.

    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • 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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