We use Danish diabetes registry and health insurance data to analyze the extent, consequences, and determinants of under-use and overuse of oral anti-diabetic drugs. Less than half of patients consume the appropriate amount of medication--between 90% and 110% of the amount prescribed by their...

The purpose of this article is to analyze how competitive forces may influence the way media firms like TV channels raise revenue. A media firm can either be financed by advertising revenue, by direct payment from the viewers (or the readers, if we consider newspapers), or by both. We show that...

This paper models payment evasion as a source of profit by letting the firm choose the purchase price and the fine imposed on detected payment evaders. For a given price and fine, the consumers purchase, evade payment, or choose the outside option. We show that payment evasion leads to a form of...

In our model, an agent produces an outcome by a costly effort and then distributes it among heterogeneous users. The agents̕ payoff is the weighted sum of the users ̕shares and the coefficient reflecting their heterogeneity. When the agent neglects users ̕heterogeneity the game leads to an...

This paper assumes that groups of consumers in network markets can coordinate their choices when it is in their best interest to do so, and when coordination does not require communication. It is shown that multiple asymmetric networks can coexist in equilibrium if consumers have heterogeneous...

As the role of mortgage brokers in mortgage origination grew from insignificant in the 1980s to dominant in recent years, questions have arisen about whether its services help or harm consumers. In response, states have increasingly regulated the business, largely by creating and tightening...

This paper studies the impact of the arbitrator selection process on consumer outcomes by examining roughly 9,000 consumer arbitration cases in the securities industry. Securities disputes present a good laboratory: arbitration is mandatory for all disputes, eliminating selection concerns; the...

Neoclassical theory postulates that preferences between two goods are independent of the consumer's current entitlements. Several experimental studies have recently provided strong evidence that this basic independence assumption, which is used in most theoretical and applied economic models to...

In this paper, we exploit new sources of cross-sectional data to estimate a detailed product-level demand system for new passenger vehicles. We use four data sources: on the characteristics of products, on the attributes of the U.S. population of households, on the match between the first and...

Consumers solve many agency problems, by pointing out when they believe that agents have made mistakes. This paper considers the role that consumers play in inducing efficient behavior by agents. I distinguish between two case: those where consumers have similar preferences to the principal, and...