We examine the impact of board cultural diversity, based on directors' ancestry, on firm performance conditional on product market competition. We argue that culturally diverse boards foster critical thinking and offer creative solutions that help firms thrive in competitive environments. We...

This paper documents that speed is crucially important for high frequency trading strategies based on U.S. macroeconomic news releases. Using order level data of the highly liquid S&P500 ETF traded on NASDAQ from January 6, 2009, to December 12, 2011, we find that a delay of 300 milliseconds (1...

We analyze retail order flow in terms of intraday feedback trading patterns. Using a unique data set of exchange trades and high‐frequency quotes, we first provide evidence that retail investors actively and consciously respond to short‐term intraday returns in a negative feedback,...