Homogeneous groups surveyed about issues of concern to them may require few follow-ups because respondents provide role-specific answers representative of others in that role. The authors analyzed three questionnaire mailings to 1,535 physicians that produced 977 responses (604 first, 252...

The ability to assign patients to the most appropriate program of intervention would improve patient outcomes and reduce health care costs. This paper evaluates specific potentials of triaging patients into various combinations of health education treatments. Blood pressure improvement among...

The practice of medicine has always been characterized by uncertainty. Yet, attempts to study tolerance for uncertainty in medicine have been few, and limited to its influence on specialty preferences and test-ordering behavior. In particular, studies have not investigated how the process of...

Congress passed the Private Securities Litigation Reform Act of 1995 in an attempt to discourage meritless securities fraud class actions. This paper uses damages, accounting, insider trading and governance variables to explain the incidence of securities fraud litigation both before and after...

We examine the number of external appointments held by corporate directors. Directors who serve larger firms and sit on larger boards are more likely to attract additional directorships. Consistent with Fama and Jensen (1983), we find that firm performance has a positive effect on the number of...

Exchanges have a powerful incentive to regulate insider trading and market manipulation because of the effect that those practices have on liquidity. Markets known for insider trading and manipulation risk a downward spiral as investors depart seeking out alternative, safer investments....

This Essay examines the stock market's reaction to the Ninth Circuit's decision in re Silicon Graphics Securities Litigation. That decision adopted the most stringent interpretation of the Private Securities Litigation Reform Act's quot;strong inferencequot; standard for pleading scienter in...