One rationale for the regulation of algorithmic and high-frequency trading is the perception that algorithms are prone to overreacting to market events, for example by producing unanticipated interaction effects that exacerbate volatility and disrupt efficient price formation. This articles...

Robo-advisors are novel tools in financial markets that provide investors with low-cost financial advice, usually based on individual characteristics like risk attitudes. In a portfolio choice experiment running over 10 weeks, we study how much investors benefit from robo advice. We also study...

This Article argues that the rise of algorithmic trading undermines efficient capital allocation in securities markets. It is a bedrock assumption in theory that securities prices reveal how effectively public companies utilize capital. This conventional wisdom rests on the straightforward...