This paper quantifies the impact of Robinhood traders on the US equity market. Within a structural model, we estimate retail and institutional demand curves and derive aggregate pricing implications via market clearing. The inelastic nature of institutional demand allows Robinhood traders to...

The consensus view of the influential economist John Maynard Keynes is that he was a stellar investor. We provide an extensive quantitative appraisal of his performance over a quarter-century in both calendar and event time, and present detailed empirical analysis of his archived trading...

We study empirically how competition among high-frequency traders (HFTs) affects their trading behavior and market quality. Our analysis exploits a unique dataset, which allows us to compare environments with and without high-frequency competition, and contains an exogenous event - a tick size...

We address a puzzle whereby lending marketplaces, aimed at directly connecting retail lenders and borrowers, retreat from auctions and take on the role of price setting and credit allocation, despite evidence that retail investors possess valuable soft and nonstandard information. Our analysis...

I study empirically how competition among high-frequency traders (HFTs) affects their trading behavior and market quality. The analysis exploits a unique dataset, which allows comparing environments with and without high-frequency competition, and contains an exogenous event - a tick size reform...

This paper first extends Sias (2004) to examine whether UK fund managers are engaged in herding behaviours in the stock market, their reasons for herding, whether their herding behaviours are different during bullish and bearish periods and whether or not their herding behaviours are...

Why buy a closed-end fund at IPO, when it is likely to trade at a discount in a few months' time? One theory suggests that buying a new fund is justified by an initial period of investment outperformance. A second theory is that new funds are launched to provide access to assets that are...

This paper examines the role conviction plays in asset management and its relationship with investment returns. We measure the strength of fund manager conviction through a fund’s Active Share, i.e., the extent to which an investment portfolio differs from its benchmark index. First, we show...