Hard-to-value stocks provide opportunities for managers to exploit their informational advantage through trading on their firms' and their own personal accounts. In contrast to the prediction that such transactions reflect private information about future events, they are contrarian and heavily...

Insider trading during the early months of the COVID-19 pandemic provides a unique opportunity to study how corporate insiders benefit from information flows in their network of business contacts. I find that insiders at firms with activities in China sell more shares of their companies than...

We study whether industry familiarity is an advantage in stock trading by exploring the trading patterns of industry insiders in their own personal portfolios. To do so, we identify accounts of industry insiders in a large dataset provided by a retail discount broker. We find that insiders trade...

We open the black box of the M&A decision process by constructing a comprehensive sample of US firms with specialized M&A staff. We investigate whether specialized M&A staff improves acquisition performance or facilitates managerial empire building instead. We find that firms with specialized...

Stock returns around acquisition announcements are widely viewed as being reflective of the net present value created by these transactions. As such, announcement returns should correlate with acquisition outcomes. Using a new measure of realized transaction-level acquisition failure, as well as...

A detailed treatment of aggregation and capital heterogeneity substantially improves the performance of the investment CAPM. Firm-level predicted returns are constructed from firm-level accounting variables and aggregated to the portfolio level to match with portfolio-level stock returns....

We develop a model where a firm has an optimal exposure to cyber risk. With rational, fully informed agents and with no hysteresis, a successful cyberattack should have no impact on a financially unconstrained target's reputation and post-attack policies. In contrast, when a successful attack...

Proactive deleveraging from all-time peak market leverage (ML) to near-zero ML and negative net debt is the norm among 4,476 nonfinancial firms with five or more years of post-peak data. ML is 0.543 at the historical peak and 0.026 at the later trough for the median firm in this sample, with a...

Managers often claim that an important source of value in acquisitions is the acquiring firm's ability to finance investments for the target firm. This claim implies that targets are financially constrained prior to being acquired and that these constraints are eased following the acquisition....

Uncertainty about management appears to affect firms' cost of borrowing and financial policies. In a sample of S&P 1500 firms between 1987 and 2010, CDS spreads, loan spreads and bond yield spreads all decline over the first three years of CEO tenure, holding other macroeconomic, firm, and...