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Non-homothetic sudden stops

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  • Rojas, Eugenio
  • Saffie, Felipe

Abstract

The expenditure elasticity of the demand for nontradable goods is higher than the one for tradable goods. We extend the small open economy model of Sudden Stops of Bianchi (2011) allowing for non-homothetic preferences to generate this difference. Analytic results for an endowment economy show that, during crises, the non-homotheticity amplifies the decrease in the demand for the nontradable good, triggering a sharper deflation spiral that ultimately leads to a more severe current account reversal. The amplified pecuniary externality calls for more aggressive debt taxes. An extended version of the model with production and permanent productivity shocks shows that non-homothetic preferences can also amplify the credit booms that precede Sudden Stops. The amplification is particularly large when the consumption boom is biased toward nontradable goods. Macroprudential policy shows, not only quantitative, but also qualitative differences in its reaction to shocks under preference non homotheticity.

Suggested Citation

  • Rojas, Eugenio & Saffie, Felipe, 2022. "Non-homothetic sudden stops," Journal of International Economics, Elsevier, vol. 139(C).
  • Handle: RePEc:eee:inecon:v:139:y:2022:i:c:s002219962200112x
    DOI: 10.1016/j.jinteco.2022.103680
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    References listed on IDEAS

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    More about this item

    Keywords

    Macroprudential policy; Expenditure elasticity; Financial crises;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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