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

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Author Info

  • 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.

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Bibliographic Info

Paper provided by GEMF - Faculdade de Economia, Universidade de Coimbra in its series GEMF Working Papers with number 2008-03.

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Length: 38 pages
Date of creation: 2008
Date of revision:
Handle: RePEc:gmf:wpaper:2008-03

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Keywords: Credibility; Exchange rate stability; M-GARCH; ERM; EMS; Volatility and target zones;

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References

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Citations

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Cited by:
  1. 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, GEMF - Faculdade de Economia, Universidade de Coimbra 2009-15, GEMF - Faculdade de Economia, Universidade de Coimbra.
  2. António Portugal Duarte & João Sousa Andrade & Adelaide Duarte, 2010. "Exchange Rate Target Zones: A Survey of the Literature," GEMF Working Papers, GEMF - Faculdade de Economia, Universidade de Coimbra 2010-14, GEMF - Faculdade de Economia, Universidade de 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.

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