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Micro Effects of Macro Announcements: Real-Time Price Discovery in Foreign Exchange

Torben G. Andersen, Tim Bollerslev, Francis X. Diebold and Clara Vega
The American Economic Review
Vol. 93, No. 1 (Mar., 2003), pp. 38-62
Stable URL: http://www.jstor.org/stable/3132161
Page Count: 25
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Micro Effects of Macro Announcements: Real-Time Price Discovery in Foreign Exchange
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Abstract

Using a new data set consisting of six years of real-time exchange-rate quotations, macroeconomic expectations, and macroeconomic realizations, we characterize the conditional means of U.S. dollar spot exchange rates. In particular, we find that announcement surprises produce conditional mean jumps; hence high-frequency exchange-rate dynamics are linked to fundamentals. The details of the linkage are intriguing and include announcement timing and sign effects. The sign effect refers to the fact that the market reacts to news in an asymmetric fashion: bad news has greater impact than good news, which we relate to recent theoretical work on information processing and price discovery.

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