This paper develops an empirical model to measure the strength of import discipline across industries, allowing it to vary sys tematically with various features of industry market structure. The m odel is applied to a panel of data for eighty-two Belgian three-digit industries for the period...

This paper is concerned with modeling the movements in profits of firms over time. At the heart of the emp irical model is a latent variables problem which arises from the fact that entry and imitation do not actually have to occur to have an ef fect on profits. A solution to this problem is...