In this paper, we provide non-parametric statistical tools to test stationarity of microstructure noise in general hidden Ito semimartingales, and discuss how to measure liquidity risk using high frequency financial data. In particular, we investigate the impact of non-stationary microstructure...

We use a new data set to examine the equity price impact of announced cartel investigations. Unlike prior research, we estimate normal returns using the Fama-French (1993) three-factor model. We find that cartel investigation announcements have a long-lasting negative share-price effect of two...

We examine empirical evidence of the behavior of stocks and bonds from BRIC nations using daily data from January 2003 to July 2010. We present unconditional and conditional empirical results depending upon a simple measure of U.S. financial stress. In the long term, BRIC bonds markets deviate...

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...