Under Medicare Part D, senior citizens choose prescription drug insurance offered by numerous private insurers. We examine nonpoor enrollees- actions in 2006 and 2007 using panel data. Our sample reduced overspending by $298 on average, with gains by 81 percent of them. The greatest improvements...

Consumers are commonly required to subscribe to particular tariff options before uncertainty regarding their future purchases gets resolved. Since the general comparison of welfare performance of different pricing mechanisms is ambiguous, this article empirically evaluates the expected welfare...

This paper attempts to justify the use of discrete choicemodels to approach the study of adoption of new technology. Ittries to adapt an essentially dynamic theoretical framework suchas the diffusion of innovations to carry out a static analysis.Finally, it suggests the use of ordered models to...

The endogeneity of preferences implies that not only individual preferences—along with technologies, government policies, and the organization of society and markets—determine economic outcomes, but also that the economic, social, legal, and cultural structure of society affects preferences....

We examine the problem of measuring influence based on the information contained in the data on the communications between scholarly publications, judicial decisions, patents, web pages, and other entities. The measurement of influence is useful to address several empirical questions such as...

This paper is concerned with the effect of nonmonetary incentiveson behavior, in particular with the study of social pressure as adeterminant of corruption. We offer empirical evidence that shows howprofessional soccer referees favor home teams in order to satisfy thecrowds in the stadium....