This paper investigates the performance of efficient portfolios in a financial market with heterogeneous investors including rational traders, noise traders, and chartists. A generalization of the security market line result states that, regardless of the diversity of beliefs, the portfolios of...

This paper reports the results of experimental asset markets designed to investigate how the public disclosure of uncertain information affects market and individual outcomes. In some markets, no information is released as trading starts, and in others, an imperfect pre-announcement is...

Background: Reducing rates of healthcare acquired infection has been identified by the Australian Commission on Safety and Quality in Health Care as a national priority. One of the goals is the prevention of central venous catheter-related bloodstream infection (CR-BSI). At least 3,500 cases of...

There are many situations in which individuals have a choice of whether or not to observe the eventual outcome. In these instances, individuals often prefer to avoid observing the outcome. The standard von Neumann-Morgenstern (vNM) Expected Utility model cannot accommodate these cases, since it...

In 1994 one of the most radical institutional restructurings in the U.S. government's provision of critical weather information took place after eight unsuccessful attempts. A presidential decision directive merged weather data collection by satellites operated by the Department of Defense for...

Fundamental principles of precaution are legal maxims that ask for preventive actions, perhaps as contingent interim measures while relevant information about causality and harm remains unavailable, to minimize the societal impact of potentially severe or irreversible outcomes. Such principles...

This dissertation addresses the question of choosing the best information alternative in engineering decisions. The decision maker maximizes his expected utility under uncertainty where both the action he takes and the state of the environment determines the payoff earned. The decision maker...

In some supply chains, materials are ordered periodically according to local information. This paper investigates how to improve the performance of such a supply chain. Specifically, we consider a serial inventory system in which each stage implements a local reorder interval policy; i.e., each...