作者：Bergemann, Dirk; Brooks, Benjamin; Morris, Stephen
作者单位：Yale University; University of Chicago; Princeton University
摘要：We analyze the welfare consequences of a monopolist having additional information about consumers' tastes, beyond the prior distribution; the additional information can be used to charge different prices to different segments of the market, i.e., carry out third degree price discrimination. We show that the segmentation and pricing induced by the additional information can achieve every combination of consumer and producer surplus such that: (i) consumer surplus is nonnegative, (ii) producer s...
作者：Hackmann, Martin B.; Kolstad, Jonathan T.; Kowalski, Amanda E.
作者单位：Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; University of Pennsylvania; Yale University
摘要：We develop a model of selection that incorporates a key element of recent health reforms: an individual mandate. Using data from Massachusetts, we estimate the parameters of the model. In the individual market for health insurance, we find that premiums and average costs decreased significantly in response to the individual mandate. We find an annual welfare gain of 4.1 percent per person or $51.1 million annually in Massachusetts as a result of the reduction in adverse selection. We also find...
