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Options-based analysis of emerging market exchange rate expectations: Brazil's real plan, 1994-1999, An

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Author Info
Campa, Jose M. () (IESE Business School)
Chang, Kevin (Credit Suisse First Boston, London)
Refalo, James F. (New York University)

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Abstract

This paper uses currency option data from the BMF, the Commodities and Futures exchange in Sao Paulo, Brazil, to investigate market expectations on the Brazilian Real-U.S. dollar exchange rate from October 1994 through March 1999. Using options data, we derive implied probability density functions (PDF) for expected future exchange rates and thus measures of the credibility of the "crawling peg" and target zone ("maxiband") regimes governing the exchange rate. Since we do not impose an exchange rate model, our analysis is based on either the risk-neutral PDF or arbitrage-based tests of target zones. The paper, one of the first to use options data from an emerging market, finds that target zone credibility was poor prior to February 1996, improved afterwards through September 1997 and later started to worsen again. The market anticipated periodic band adjustments, and estimated distributions are very sensitive to political and economic news affecting the credibility of the regime. We also test whether devaluation intensities estimated from these option prices can be explained by standard macroeconomic factors.

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Publisher Info
Paper provided by IESE Business School in its series IESE Research Papers with number D/425.

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Length: 31 pages
Date of creation: 20 Oct 2000
Date of revision:
Handle: RePEc:ebg:iesewp:d-0425

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Postal: IESE Business School, Av Pearson 21, 08034 Barcelona, SPAIN
Web page: http://www.iese.edu/
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Related research
Keywords: Exchange rate credibility; implied distributions; options;

Find related papers by JEL classification:
F31 - International Economics - - International Finance - - - Foreign Exchange
G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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