Anomalies are empirical results that seem to be inconsistent with maintained theories of asset-pricing behavior. They indicate either market inefficiency (profit opportunities) or inadequacies in the underlying asset-pricing model. After they are documented and analyzed in the academic...

In a short sale, an investor sells a share of stock he does not own and profits when the price of the stock declines. A peculiar feature of short sales is the apparent increase in the number of shares of stock beneficially held by investors over and above the actual number of shares issued by...

This paper examines whether hostile takeovers can be distinguished from friendly takeovers, empirically, based on accounting and stock performance data. Much has been made of this distinction in both the popular and the academic literature, where gains from hostile takeovers are typically...

This paper uses monthly returns from 1802-2010, daily returns from 1885-2010, and intraday returns from 1982-2010 in the United States to show how stock volatility has changed over time. It also uses various measures of volatility implied by option prices to infer what the market was expecting...

This paper uses monthly returns from 1802-2010, daily returns from 1885-2010, and intraday returns from 1982-2010 in the United States to show how stock volatility has changed over time. It also uses various measures of volatility implied by option prices to infer what the market was expecting...

Risk Management Research Report (RMRR) surveys and screens the flow of academic articles on risk management and presents extended scholarly summaries of today's most important scholarly work in a convenient format on a timely basis. Each issue features approximately 15 of the most important...

The field of academic finance has grown and evolved in the 47 years since the Journalof Financial Economics (JFE) began publishing papers. This paper examines detailed dataon the 3,003 papers written by 3,358 different authors published in the JFE over the period1974–2020. Advances in...

Recent work by Said and Dickey (1984 ,1985) , Phillips (1987), and Phillips and Perron(1988) examines tests for unit roots in the autoregressive part of mixed autoregressive-integrated-moving average (ARIHA) models (tests for stationarity). Monte Carlo experiments show that these unit root tests...