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Exchange rate volatility without the contrivance of fundamentals and the failure of PPP

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  • Bask, Mikael

Abstract

Since the magnitude of exchange rate overshooting may not be the same for different exchange rates of a currency, a monetary expansion or contraction in, for example, the EMU, will affect the exchange rate between the U.S. dollar and the yen, even though there are no changes in monetary fundamentals in the U.S. or Japan. This fact is demonstrated in a sticky-price monetary model due originally to Dornbusch (1976) that is enlarged with currency traders that use Chartism in the form of moving averages.It is also demonstrated that purchasing power parity (PPP) does not necessarily hold in long-run equilibrium.These results are interesting since, according to the empirical literature, there are often large movements in nominal exchange rates that are apparently unexplained by macroeconomic fundamentals, and there is also a weak support for PPP.

Suggested Citation

  • Bask, Mikael, 2006. "Exchange rate volatility without the contrivance of fundamentals and the failure of PPP," Bank of Finland Research Discussion Papers 8/2006, Bank of Finland.
    • Handle: RePEc:zbw:bofrdp:rdp2006_008
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    References listed on IDEAS

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    1. Frankel, Jeffrey A. & Froot, Kenneth A., 1987. "Short-term and long-term expectations of the yen/dollar exchange rate: Evidence from survey data," Journal of the Japanese and International Economies, Elsevier, vol. 1(3), pages 249-274, September.
    2. Lui, Yu-Hon & Mole, David, 1998. "The use of fundamental and technical analyses by foreign exchange dealers: Hong Kong evidence," Journal of International Money and Finance, Elsevier, vol. 17(3), pages 535-545, June.
    3. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
    4. Oberlechner, Thomas, 2001. "Importance of Technical and Fundamental Analysis in the European Foreign Exchange Market," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 6(1), pages 81-93, January.
    5. Cheung, Yin-Wong & Chinn, Menzie David, 2001. "Currency traders and exchange rate dynamics: a survey of the US market," Journal of International Money and Finance, Elsevier, vol. 20(4), pages 439-471, August.
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    More about this item

    Keywords

    Chartism; foreign exchange; macroeconomic fundamentals; moving averages; overshooting and PPP;
    All these keywords.

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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