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Liquidity traps in a monetary union

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  • Robert Kollmann

Abstract

The closed economy macro literature has shown that a liquidity trap can result from the self-fulfilling expectation that future inflation and output will be low. This paper investigates expectations-driven liquidity traps in a two-country New Keynesian model of a monetary union. In the model here, a rise in government purchases in an individual country has a weak effect on GDP in the rest of the union. The results here cast doubt on the view that, in the current era of ultra-low interest rates, a rise in fiscal spending by Euro Area (EA) core countries would significantly boost GDP in the EA periphery.

Suggested Citation

  • Robert Kollmann, 2021. "Liquidity traps in a monetary union," Oxford Economic Papers, Oxford University Press, vol. 73(4), pages 1581-1603.
    • Handle: RePEc:oup:oxecpp:v:73:y:2021:i:4:p:1581-1603.
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    File URL: http://hdl.handle.net/10.1093/oep/gpab019
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    Cited by:

    1. Kollmann, Robert, 2022. "A tractable overlapping generations structure for quantitative DSGE models," Economics Letters, Elsevier, vol. 221(C).
    2. Kollmann, Robert, 2021. "Liquidity traps in a world economy," Journal of Economic Dynamics and Control, Elsevier, vol. 132(C).
    3. Robert Kollmann, 2021. "Effects of Covid-19 on Euro area GDP and inflation: demand vs. supply disturbances," International Economics and Economic Policy, Springer, vol. 18(3), pages 475-492, July.
    4. Mariam Camarero & Josep Lluís Carrion‐i‐Silvestre & Cecilio Tamarit, 2021. "External imbalances from a GVAR perspective," The World Economy, Wiley Blackwell, vol. 44(11), pages 3202-3245, November.

    More about this item

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • F44 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Business Cycles
    • F45 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Macroeconomic Issues of Monetary Unions

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