This paper documents that small-cap mutual funds allocate on average 27% of their portfolio to mid- and large-cap stocks. We find that larger and older small-cap funds are more likely to hold mid- and large-cap stocks, consistent with funds straying from their objective over time. Funds that...

Extant research has focused on mutual fund managers' ability to time market returns or volatility. In this paper, we offer a new perspective on the traditional timing issue by examining fund managers' ability to time market wide liquidity. Using the CRSP mutual fund database, we find strong...

To understand the nature of hedge fund managers' skills, we study the implementation of risk arbitrage by hedge funds using their portfolio holdings and comparing them with those of other institutional arbitrageurs. We find that hedge funds significantly outperform a naive risk arbitrage...

We develop an axiomatically consistent way of ranking and scoring funds that respects an industry benchmark. Our performance measure, termed MAP, accounts for the feature that investors may exhibit skepticism when evaluating investment strategies versus a benchmark. Linking developed theory to...

We develop a performance measure, termed MAP, which is based on the concept of ambiguity aversion, and is pertinent for actively managed funds that follow opaque investment strategies. When investors are ambiguity averse, our empirical evidence refutes the notion that many actively managed...

The goal of Section I is to show the economic foundations for the form of the distortion function A[dt; κ] in equation (2). This is formalized through Proposition IA3 and Corollary IA4.Section II contains the proof of axiomatic consistency properties of the MAP performance measure (Section...