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...

The ways financial analysts, traders, and other specialists use information and learn from each other are of fundamental importance to understanding how markets work and prices are set. This graduate-level textbook analyzes how markets aggregate information and examines the impacts of specific...

This paper analyses market valuations of UK companies using a new data set of their R&Dand IP activities (1989-1999). In contrast to previous studies, the analysis is conducted at thesectoral level, where the sectors are based on the technological classification in Pavitt (1984).The first main...