This article is based on a lecture at Nihon College of Law in Tokyo and draws on William K.S. Wang & Marc I. Steinberg, Insider Trading (Oxford University Press 3d ed. 2010); and William K.S. Wang, Stock Market Insider Trading: Victims, Violators, and Remedies–Including an Analogy to Fraud in...

In the pre-Sarbanes-Oxley era corporate insiders were required to report trades in shares of their firm until the 10th of the month following the trade. This gave them considerable flexibility to time their trades and reports strategically, e.g., by executing a sequence of trades and reporting...

Regulations in the pre-Sarbanes-Oxley era allowed corporate insiders considerable flexibility in strategically timing their trades and SEC filings, for example, by executing several trades and reporting them jointly after the last trade. We document that even these lax reporting requirements...

Regulations in the pre-Sarbanes–Oxley era allowed corporate insiders considerable flexibility in strategically timing their trades and SEC filings, e.g., by executing several trades and reporting them jointly after the last trade. We document that even these lax reporting requirements were...

When a firm commit to a more stringent disclosure regime, market maker relies more on disclosure itself and less on the alternative information source, such as abnormal trading volume. Using a panel of foreign firms that cross-list in US, I find significant deduction in the slope coefficient in...

This paper introduces the concept of false and misleading statements or omissions regarding companies in the bio-pharmaceutical industry, based on court decisions. Due to essential problem of stock market, “asymmetry of information,” if company’s public statements about material...

This is the second article of a two-part series analyzing the economic and policy factors related to the potential adoption of IFRS by the United States. In Part I (see Hail et al. 2010), we develop the conceptual framework for our analysis and discuss economic factors driving the costs and...