Some investment advisors offer multiple versions of a fund with the same manager and highly correlated returns. But these twinʺ funds are separate portfolios for different investors with differing abilities to select and monitor managers. Using a matched sample of retail and institutional twin...

We identify an alternative source of ETF shorting related to the market maker liquidity provision and creation/redemption activities. This “operational shorting” arises due to a regulatory exemption, allowing ETF market makers to satisfy excess demand in secondary markets by selling ETF...

We explore the relation between fund performance and the assets managed by the fund's managers that are outside the fund. Controlling for fund size, we find a negative relation between fund performance and the size of the manager's outside holdings, the number of other funds managed, and the...

Firms with greater financial flexibility should be better able to fund a revenue shortfall resulting from the COVID-19 shock and benefit less from policy responses. We find that firms with high financial flexibility within an industry experience a stock price drop lower by 26% or 9.7 percentage...