Global Liquidity Traps

Kollmann, Robert (2020): Global Liquidity Traps.

Abstract

This paper studies fluctuations of interest rates, inflation and output in a two-country New Keynesian business cycle model with a zero lower bound (ZLB) constraint for nominal interest rates. The presence of the ZLB generates multiple equilibria driven by self-fulfilling changes in domestic and foreign inflation expectation. Each country randomly switches in and out of a liquidity trap. In a floating exchange rate regime, liquidity traps can either be synchronized or unsynchronized across countries. This is the case even if countries are perfectly financially integrated. By contrast, in a monetary union, self-fulfilling fluctuations in inflation expectations must be perfectly correlated across countries.

• Item Type: MPRA Paper
• Language: English
• Keywords: Zero lower bound, liquidity trap, global business cycles
• Subjects: E - Macroeconomics and Monetary Economics > E3 - Prices, Business Fluctuations, and Cycles; E - Macroeconomics and Monetary Economics > E4 - Money and Interest Rates; F - International Economics > F2 - International Factor Movements and International Business; F - International Economics > F3 - International Finance; F - International Economics > F4 - Macroeconomic Aspects of International Trade and Finance

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