To better quantify the impact of foodborne diseases on health in the United States, we
compiled and analyzed information from multiple surveillance systems and other sources. We …

This review appraises the process of development and the measurement properties of the
Pittsburgh sleep quality index (PSQI), gauging its potential as a screening tool for sleep …

Exposure to blood-borne pathogens poses a serious risk to health care workers (HCWs). We
review the risk and management of human immunodeficiency virus (HIV), hepatitis B virus (…

… “Shapiro and Varian offer a superb introduction to the challenging and exciting new
world of information technology, as well as the opportunities and problems that accompany it. …

… the merging coalitions will rise; (b) the output of any firm not in the merging coalitions will fall;
and (c) industry output will rise. … We denote the change in consumers' surplus by AS=S c SI. …

… The critical wage, w', is higher (a) the higher the required effort (e), (b) the higher the
expected utility associated with being unemployed (V,), (c) the lower the probability of being …

… In Katz and Shapiro (1985, 1986), we study the private and social incentives to achieve
technical … Using the fact that firm A is willing to price as low as c, to win first-period sales, firm B …

… In Katz and Shapiro (1986a), we showed how the market could be biased in favor of a new
… In Katz and Shapiro (1986b), we explore how compatibility affects pricing competition when …

This paper derives an equilibrium price-quality schedule for markets in which buyers cannot
observe product quality prior to purchase. In such markets there is an incentive for sellers to …

Background Obstructive sleep apnea (OSA) is a major risk factor for perioperative adverse
events. However, no screening tool for OSA has been validated in surgical patients. This …