"In Exchange-Traded Funds and the New Dynamics of Investing, Ananth Madhavan examines the quiet transformation of asset management through the rise of passive or index investing. A closely-related phenomenon is the rise of exchange-traded funds (ETFs). An ETF is an investment vehicle that trades...

Exchange traded funds (ETFs) have grown substantially in diversity and size in recent years, reflecting a broader shift towards passive, index investing. As a consequence, there is increased interest by practitioners in the pricing and liquidity of ETFs. This paper develops and estimates a model...

The “Flash Crash” of May 6, 2010 saw some stocks and exchange-traded funds traded at pennies only to rapidly recover in price. We show that the impact of the Flash Crash across stocks is systematically related to prior market fragmentation. Interestingly, fragmentation measured based on...

This paper analyzes the “return gap” between dollar-weighted returns that account for intermediate investor flows (internal rate of return) and buy-and-hold returns that funds typically report. Our sample constitutes all US-domiciled open-end mutual funds and exchange-traded funds (ETFs),...

Exchange-traded funds (ETFs) have grown substantially in diversity and size in recent years, reflecting a broader shift toward passive, index investing. As a consequence, there is increased attention by investors, regulators, and academics seeking to assess and understand the implications of...

Exchange-traded funds (ETFs) represent one of the most important financial innovations in decades. An ETF is an investment vehicle that trades intraday and seeks to replicate the performance of a specific index. In recent years ETFs have grown substantially in assets, diversity, and market...