We highlight key assumptions implicit in the models used by academics conducting research on market efficiency. Most notably, many academics assume that investors can borrow unlimited amounts and construct long-short portfolios at zero cost. We relax these assumptions and examine the...

This study examines the information content of quarterly earnings announcements, measured as the magnitude of stock price revision at earnings announcements relative to price revision at other times. We investigate whether quarterly earnings announcements are informative using a nonparametric...

Equal treatment in access to credit has long been a fundamental social goal in the United States. However, despite the passage of several laws in the U.S. prohibiting discrimination in the provision of financial services on the basis of race, gender, and marital status, among other factors,...