In this paper, we examine the time variation in transaction costs relative to excess returns, in a panel consisting of 10 international equity indices over the time period 1984–2005. This is undertaken by extending the consumption CAPM (CCAPM) model proposed by Campbell and Shiller (Rev....

We evaluate whether machine learning methods can better model excess portfolio returns compared to the standard regression-based strategies generally used in the finance and econometric literature. We examine 17 benchmark factor model specifications based on Expected Utility Theory and theory...

In this study we propose a new price impact ratio as an alternative to the widely used Amihud's (2002) Return-to-Volume ratio (RtoV). This new measure, which is deemed Return-to-Turnover ratio (RtoTR), essentially modifies RtoV by substituting trading volume in its denominator with the turnover...