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Optimal monetary policy with the risk-taking channel

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  • Angela Abbate
  • Dominik Thaler

Abstract

Empirical research suggests that lower interest rates induce banks to take higher risks. We assess analytically what this risk-taking channel implies for optimal monetary policy in a tractable New Keynesian model. We show that this channel creates a motive for the planner to stabilize the real rate. This objective conflicts with the standard inflation stabilization objective. Optimal policy thus tolerates more inflation volatility. An inertial Taylor-type reaction function becomes optimal. We then quantify the significance of the risk-taking channel for monetary policy in an estimated medium-scale extension of the model. Ignoring the channel when designing policy entails non-negligible welfare costs (0.7% lifetime consumption equivalent).

Suggested Citation

  • Angela Abbate & Dominik Thaler, 2021. "Optimal monetary policy with the risk-taking channel," Working Papers 2021-09, Swiss National Bank.
  • Handle: RePEc:snb:snbwpa:2021-09
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    References listed on IDEAS

    as
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    1. Optimal monetary policy with the risk-taking channel
      by Christian Zimmermann in NEP-DGE blog on 2021-04-29 16:32:18

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    More about this item

    Keywords

    Risk-taking channel; optimal monetary policy;

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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