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Net Worth, Exchange Rates, and Monetary Policy: The Effects of a Devaluation in a Financially Fragile Environment

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  • Domenico Delli Gatti
  • Mauro Gallegati
  • Bruce C. Greenwald
  • Joseph E. Stiglitz

Abstract

In this paper we propose an Open Economy Financial Accelerator model along the lines of Greenwald-Stiglitz (1993) close in spirit but different in many respects from the one proposed by Greenwald (1998.) The first goal of the paper is to provide a taxonomy of the effects of a devaluation in this context. The direct (first round) effect on output, taking as given net worth and interest rate, is negative for domestic firms (due to the input cost effect) and positive for exporting firms (due to a positive foreign debt effect). The indirect (second round) wealth effect (on output through net worth, taking as given the interest rate) is uncertain, depending on the relative size of the domestic and exporting firms. There is also an indirect effect on output through the response of the domestic interest rate to a devaluation due to the risk premium effect. Due to the uncertainty on the sign of most of these effects, it is difficult to assess the overall impact of a devaluation. One cannot rule out, however, an economy-wide contractionary effect of a devaluation. If the devaluation affects negatively the net worth of domestic firms, the domestic interest rate may rise (due to the risk premium effect), exerting an additional contractionary impact on output. If, on top of that, the monetary authorities force a further increase of the interest rate in an effort to curb the exchange rate, the contractionary effect will be emphasized.

Suggested Citation

  • Domenico Delli Gatti & Mauro Gallegati & Bruce C. Greenwald & Joseph E. Stiglitz, 2007. "Net Worth, Exchange Rates, and Monetary Policy: The Effects of a Devaluation in a Financially Fragile Environment," NBER Working Papers 13244, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:13244
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    References listed on IDEAS

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    Cited by:

    1. Kohler, Karsten, 2019. "Exchange rate dynamics, balance sheet effects, and capital flows. A Minskyan model of emerging market boom-bust cycles," Structural Change and Economic Dynamics, Elsevier, vol. 51(C), pages 270-283.
    2. Aysun, Uluc, 2008. "Automatic stabilizer feature of fixed exchange rate regimes," Emerging Markets Review, Elsevier, vol. 9(4), pages 302-328, December.
    3. Canofari, Paolo & Di Bartolomeo, Giovanni, 2017. "Regime switches under policy uncertainty in monetary unions," European Journal of Political Economy, Elsevier, vol. 47(C), pages 124-132.
    4. Tatiana Evdokimova & Pavel Trunin & Andrei Zubarev, 2013. "The Impact of the Real Ruble Exchange Rate on the Economic Activity in Russia," Research Paper Series, Gaidar Institute for Economic Policy, issue 165P, pages 164-164.
    5. Köhler, Karsten, 2016. "Currency devaluations, aggregate demand, and debt dynamics in an economy with foreign currency liabilities," IPE Working Papers 78/2016, Berlin School of Economics and Law, Institute for International Political Economy (IPE).
    6. Lorenzo Nalin & Giuliano Toshiro Yajima, 2020. "Balance Sheet Effects of a Currency Devaluation: A Stock-Flow Consistent Framework for Mexico?," Economics Working Paper Archive wp_980, Levy Economics Institute.

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    More about this item

    JEL classification:

    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance

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