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...

Location games offer simple and parsimonious frameworks for analyzing a host of issues from political competition to product positioning and business strategy. In this chapter, we review existing approaches to modeling spatial competition using location games and benefits, as well as challenges...