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...

Across numerous asset classes, momentum strategies have historically generated high Sharpe ratios and strong positive alphas relative to standard asset pricing models. However, the returns to momentum strategies are negatively skewed: they experience infrequent but strong and persistent strings...

We evaluate how non-normality of asset returns and the temporal evolution of volatility and higher moments affects the conditional allocation of wealth. We show that if one neglects these aspects, as would be the case in a mean-variance allocation, a sighifiant cost would arise. The performance...

This paper provides evidence for a causal effect of equity prices on corporate investment and employment. We use fire sales by distressed equity funds during the 2007--2009 financial crisis to identify substantial exogenous underpricing. Firms whose stocks are most underpriced have considerably...

Why do investors keep buying underperforming mutual funds? To address this issue, we develop a one-period principal-agent model with a representative investor and a fund manager in an asymmetric information framework. This model shows that the investors perception of the fund plays the key role...

Past research has suggested that firms can significantly reduce their exposure to moderate exchange rate fluctuations by means of pass-through and hedging. Studying the appreciation of the Swiss franc by 17% on January 15, 2015, we show that firms remain exposed to extreme currency events....

We conduct a detailed analysis of investors in successful initial coin offerings (ICOs). The average ICO has 4,700 contributors. The median participant contributes small amounts and many investors sell their tokens before the underlying product is developed. Large presale investors obtain tokens...

Hundreds of equity market intelligence FinTechs have formed in the last decade. We assemble novel data to describe their capabilities, users, and consequences. Our data suggest that these FinTechs: (i) aggregate many data sources, including nontraditional ones (e.g., Twitter, blogs), and...

Over two decades, ETFs have become one of the most popular investment vehicle among retail and professional investors due to their low transaction costs and high liquidity, taking market share from traditional investment vehicles such as mutual funds and index futures. Research has shown that in...