We study the price impact of daily institutional herding induced by information events. Using analyst recommendation changes as a proxy, we find that institutional herding on recommendation changes is short–lived. Daily institutional herding, on average, destabilizes price. However, herding...

We study the determinants of options illiquidity measured with relative bid-ask spreads of intraday transactions for S&P 500 firms over an extended time period. We find that market makers' hedging costs significantly impact options illiquidity with the future rebalancing cost dominating the...

We show that firms gain visibility and shareholder base through disclosing supply-chain relationships with large and well-known trading partners in their SEC filings. Using a novel research design that focuses on the investor recognition effect of disclosures, we find a significant improvement...

We present a new discrete-time GARCH jump framework that allows for rich dynamics in higher moments by combining heteroskedastic processes with fat-tailed innovations in returns and volatility. We provide a tractable risk neutralization framework allowing for option valuation with separate...

We analyze the determinants and consequences of option listing on IPO firm stock. We find that options are listed earlier on venture-backed and lower-reputation underwriter IPOs. We find a significant decrease in stock returns immediately after option listing, persisting for a year. Analyzing...

There are significant differences among sell-side analysts in how frequently they revise recommendations. We introduce a method for classifying analysts based on their recommendation speed-style and show that much of this variation is an analyst-individual trait. Analysts who change their...