I study how firms actually compete in nonlinear tariffs by analyzingwhether the incumbent and entrant's decisions to offer a given number oftariff options are interrelated. The goal is to shed some light on thosedynamic and strategic aspects of tariff menus that are currently ignoredby...

This paper studies whether competition may induce firms abandoningdeceptive pricing strategies aimed to profit from mistaken choices ofconsumers. The empirical analysis focuses on the pricing practices ofearly U.S. cellular firms, both under monopoly and duopoly. Foggy tariffoptions are those...

Many firms have introduced Internet-based customer self-service applications such as online payments or brokerage services. Despite high initial sign-up rates, not all customers actually shift their dealings online. We investigate whether the multistage nature of the adoption process (an...

We test the effect of entry on the tariff choices of incumbent cellularfirms. We relate the change in the breadth of calling plans between1996, when incumbents enjoyed a duopoly market, and 1998, whenincumbents faced increased competition from personal communicationsservices (PCS) firms. Entry...