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A New Micro Model of Exchange Rate Dynamics (March 2004)

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Abstract

We address the puzzle of what determines exchange rates by examining information aggregation in a dynamic general equilibrium (DGE) setting. Unlike other DGE macro models, which enrich either preference structures or production structures, our model enriches the information structure. The model departs from microstructure-style modeling by identifying real activities where dispersed information originates, as well as the technology by which information is subsequently aggregated and impounded. Results relevant to the determination puzzle include: (1) persistent gaps between exchange rates and fundamentals, (2) excess volatility relative to fundamentals, (3) exchange rate movements without macro news, (4) little or no exchange rate movement when macro news occurs, and (5) a structural rationale for why transaction flows perform well in accounting for monthly exchange rate changes, whereas macro variables perform poorly.

Suggested Citation

  • Martin D. D. Evans(Georgetown University and NBER) and Richard K. Lyons(U.C. Berkeley and NBER, Haas School of Business), 2005. "A New Micro Model of Exchange Rate Dynamics (March 2004)," Working Papers gueconwpa~05-05-04, Georgetown University, Department of Economics.
  • Handle: RePEc:geo:guwopa:gueconwpa~05-05-04
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    Cited by:

    1. Moore, Michael J. & Roche, Maurice J., 2010. "Solving exchange rate puzzles with neither sticky prices nor trade costs," Journal of International Money and Finance, Elsevier, vol. 29(6), pages 1151-1170, October.
    2. Breedon, Francis & Vitale, Paolo, 2010. "An empirical study of portfolio-balance and information effects of order flow on exchange rates," Journal of International Money and Finance, Elsevier, vol. 29(3), pages 504-524, April.
    3. Ferreira Filipe, Sara, 2012. "Equity order flow and exchange rate dynamics," Journal of Empirical Finance, Elsevier, pages 359-381.

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    Keywords

    Exchange Rates; Dispersed Information; General Equilibrium; Microstructure.;

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