The first paper is co-authored with Sylvain Delalay. We examine the impact of competition between ETFs on measures of market quality of the funds. The surge in new ETF creation has for consequence that groups of competing ETFs are increasingly crowded, and investors can choose from a multitude...

This chapter uncovers new insights on the dynamic volume–return relationship. We verify whether non-informational or informational trading can explain the volume-return relation in the three largest stock exchanges. We apply the cross-quantilogram approach to investigate the directional...