[This item is a preserved copy. To view the original, visit http://econtheory.org/] A key to the Coase conjecture is the monopolist's inability to commit to a price, which leads consumers to believe that a high current price will be followed by low future prices. This paper studies the...

Longitudinal household data can have considerable advantages over much morewidely used cross-sectional data. The collection of longitudinal data, however, may bedifficult and expensive. One problem that has concerned many analysts is that sampleattrition may make the interpretation of estimates...