This paper implements an algorithm that can be used to solve systems of Black-Scholes equations for implied volatility and implied risk-free rate of return. After using a seemingly unrelated regressions (SUR) model to obtain point estimates for implied volatility and implied risk-free rate, the...

We find a robust negative effect of exchange rate volatility on S&P500 company returns. The Consumer Discretionary and the Consumer Staple sectors have more significant negative exposure to exchange rate volatility than the other sectors thus supporting the hypothesis that exchange rate...

We present empirical evidence using daily data for stock prices for 17 real estate companies traded in the Sao Paulo, Brazil stock exchange, from August 26, 2006 to March 31, 2010. We use the U.S. house price bubble, financial crisis and risk measures to instrument for momentums and reversals in...