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 gold market was not overlooked by this surge in ETF creation. Within a decade, gold ETFs have acquired a position of importance on the gold market, and the potential to influence more traditional gold instruments. My second paper investigates the trading behavior of exchange-traded gold...

The majority of electronic markets worldwide employ limit order books, and the recently emerging exchanges for cryptocurrencies pose no exception. With this work, we empirically analyze whether commonly observed empirical properties from established limit order exchanges transfer to the...