We present a model of market hyper-segmentation, where a monopolist acquires within a short time all information about the preferences of consumers who purchase its vertically differentiated products within a given period. The firrm offers a new price/quality schedule after each commitment...

This paper develops a model of the daily newspaper industry in order to provide a tentative explanation for the rise of free newspapers. This explanation is based on the growth of net advertising revenues per reader, i.e. of the difference between advertising revenue per reader and unit printing...