We use the Emmy Award-winning game show Cash Cab to study decision-making in a risky framework. This is a unique environment because, unlike other studies on risk-aversion, players participate individually or in teams varying in number from two to five. This creates a natural laboratory to...

We compare execution quality of six brokerage accounts across five brokers by generating a sample of 85,000 simultaneous market orders. Commission levels and payment for order flow (PFOF) differ across our accounts. We find that execution prices vary significantly across brokers: the mean...

We placed over 85,000 retail trades at six retail brokers to validate the Boehmer et al. (2021) algorithm, which uses subpenny trade prices to identify and sign retail trades. The algorithm identifies only 35% of our trades as retail, incorrectly signs 28% of trades, and yields uninformative...

We examine market participants' use of hedge funds' 13F filings. We detect abnormal trading volume and positive returns immediately after disclosure, likely due to copycat investors. However, we find no evidence that long-term investors benefit from 13F based trading. We also find abnormal...

A discontinuity, or kink, at zero in the hedge fund net return distribution has been interpreted as evidence of managers manipulating returns to avoid showing small losses. Instead, we propose alternative explanations for this phenomenon. In particular, we show that incentive fees can...