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...

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),...

We examine the factor exposures of several popular market capitalization indexes and how they vary over time. We find that most market capitalization weight indexes are effectively exposed to only two or three factors, with value and momentum being increasingly dominant. We find that the...