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...

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...

We study the effects of consumer information on equlibrium market prices and observable product quality in the market for child care. Child care markets offer a unique opportunity to study these effects because of the existence of resource and referral agencies (R&Rs) in some markets. R&Rs...

In this paper we investigate whether sellers treat consumers differently on the basis of how well-informed consumers appear to be. We implement a large-scale field experiment in which callers request price quotes from automotive repair shops. We show that sellers alter their initial price quotes...

Data is nonrival: a person's location history, medical records, and driving data can be used by any number of firms simultaneously. Nonrivalry leads to increasing returns and implies an important role for market structure and property rights. Who should own data? What restrictions should apply...

This paper uses a field experiment to estimate behavioral parameters from a structural model of residential adoption of technology. As our model includes both economic and psychological factors, we are able to identify the role of prices, social norms, social pressure, and curiosity on the...