This paper investigates the role of discount travel agencies such as Priceline and Hotwire in the market segmentation of the hotel and airline industries. These agencies conceal important characteristics of the offered services, such as hotel locations or flight schedules. We explicitly model this opaque feature and show that it enables service providers to price discriminate between those cust...

OBJECTIVE Since communicating risk related to environmental hazards has consistently presented a challenge to government agencies and industries, our objective was to better understand the attitudes and beliefs of three communities, so as to help agencies and industries develop better risk communication interventions. METHODS We explored attitudes and beliefs about environmental risks in thre...

This final chapter in the volume pulls together common themes from the diverse set of articles by a group of eight authors in this issue, and presents some reflections on the next steps for improving the ways in which evaluators work with assumptions. Collectively, the authors provide a broad overview of existing and emerging approaches to the articulation and use of assumptions in evaluation t...