This paper analyzes the use of foreign exchange derivatives by non-financial publicly traded Brazilian companies from 2007 to 2009. Using balance-sheet data on firms' positions in derivatives and their foreign exchange exposure, this study finds that a significant number of companies speculated...

This paper analyzes the use of foreign exchange derivatives by non-financial publicly traded Brazilian companies from 2007 to 2009. Using balance-sheet data on firms' positions in derivatives and their foreign exchange exposure, this study finds that a significant number of companies speculated...

This paper analyzes the use of foreign exchange derivatives by non-financial publicly traded Brazilian companies from 2007 to 2009. Using balance-sheet data on firms' positions in derivatives and their foreign exchange exposure, this study finds that a significant number of companies speculated...

Using the Commodity Futures Trading Commission's Commitments of Traders data, considering both the generalized autoregressive conditional heteroskedasticity (GARCH) and the power ARCH volatility-based models, it has been found that the lagged volatility and the news about volatility from the...