We conducted a randomized experiment at the time of the 2004 flu vaccine shortage, providing information about the sharply reduced number of clinics and their schedule, and an appeal on cooperative restraint to a campus population. This strategy was intended to reduce demand for vaccination...

The 1990 Clean Air Act Amendments stipulated gasoline content requirements for metropolitan areas with air pollution levels above predetermined federal thresholds. The legislation led to exogenous changes in the type of gasoline required for sale across U.S. metropolitan areas. This paper uses a...

This paper shows that a retailer may choose to differentiate his supplying producer from his rival's, at the expense of a downgrading in the quality of the product he offers to consumers, not to relax downstream competition, but to improve his buyer power in the negotiation with his producer. We...

Although many theoretical industrial organization models are based on the existence of a critical mass of exogenously “brand loyal†consumers, we find little empirical evidence supporting these assumptions in the orange juice retail market. There are very few loyal consumers. More...

We examine how consumers and financial markets in the United States react to two health warnings about mad cow disease: the first discovery of an infected cow in December 2003 and an Oprah Winfrey show on the potentially harmful effects that aired seven years earlier. Using a unique...