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Exchange Rate and Interest Rate Volatility in a Target Zone: The Portuguese Case

Author

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  • António Portugal Duarte

    (GEMF and Faculdade de Economia, Universidade de Coimbra)

  • João Sousa Andrade

    (GEMF and Faculty of Economics of the University of Coimbra)

  • Adelaide Duarte

    (GEMF and Faculty of Economics of the University of Coimbra)

Abstract

This work examines the participation of the Portuguese economy in the ERM of the EMS based on some of the main predictions of the target zone literature. The exchange rate distribution reveals that the majority of the observations lie close to the central parity, thus rejecting one of the key predictions of the Krugman (1991) model. Using a M-GARCH model however we confirm that there is a trade-off between exchange rate volatility and interest rates differential volatility. These results express the increased credibility of the Portuguese monetary policy, due manly to the modernisation of the banking and financial system and to the progress made in terms of the disinflation process under an exchange rate target zone policy. In accordance to these results we can say that the participation of the Portuguese escudo in an exchange rate target zone was crucial to create the conditions of stability, credibility and confidence necessary for the adoption of a single currency.

Suggested Citation

  • António Portugal Duarte & João Sousa Andrade & Adelaide Duarte, 2008. "Exchange Rate and Interest Rate Volatility in a Target Zone: The Portuguese Case," GEMF Working Papers 2008-03, GEMF, Faculty of Economics, University of Coimbra.
    • Handle: RePEc:gmf:wpaper:2008-03
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    Cited by:

    1. António Portugal Duarte & João Sousa Andrade & Adelaide Duarte, 2012. "Is There a Trade-off between Exchange Rate and Interest Rate Volatility? Evidence from an M-GARCH Model," International Journal of Economic Sciences, Prague University of Economics and Business, vol. 2012(1), pages 19-37.
    2. António Portugal Duarte & João Sousa Andrade & Adelaide Duarte, 2009. "Exchange Rate Mean Reversion within a Target Zone: Evidence from a Country on the Periphery of the ERM," GEMF Working Papers 2009-15, GEMF, Faculty of Economics, University of Coimbra.
    3. Maria Grydaki & Stilianos Fountas, 2010. "What Explains Nominal Exchange Rate Volatility? Evidence from the Latin American Countries," Discussion Paper Series 2010_10, Department of Economics, University of Macedonia, revised Jul 2010.
    4. Fahima Charef, 2017. "Modeling the Volatility of Exchange Rates: GARCH Models," Academic Journal of Economic Studies, Faculty of Finance, Banking and Accountancy Bucharest,"Dimitrie Cantemir" Christian University Bucharest, vol. 3(1), pages 39-47, March.
    5. António Portugal Duarte & João Sousa Andrade & Adelaide Duarte, 2013. "Exchange Rate Target Zones: A Survey Of The Literature," Journal of Economic Surveys, Wiley Blackwell, vol. 27(2), pages 247-268, April.

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    More about this item

    Keywords

    Credibility; Exchange rate stability; M-GARCH; ERM; EMS; Volatility and target zones;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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