welfare effects of entry into residential local telephone service in New York State using household-level data from September …

In this paper, we evaluate the consumer welfare effects of entry into residential local phone service in New York State … first quarter of 2003. Our results indicate that as a result of entry households that subscribe to one of the entrants … nature of the data, we decompose the households' overall gains from entry and find that benefits due to firm differentiation …

We test the effect of entry on the tariff choices of incumbent cellular firms. We relate the change in the breadth of … from personal communications services (PCS) firms. Entry by PCS competitors differed across geographic markets due to the … upgrade their technology from the old analog technology to the new digital technology in markets with more entry, suggesting …

prices and advertising tariffs. We build on the work of Gabszewicz, Laussel and Sonnac (2001, 2002), whose model we take as …), cover prices are positive and the minimal differentiation outcome does not depend on the size of the advertising market. We … to cooperate in setting cover prices and advertising tariffs but not the editorial line …

existing models of asymmetric duopoly and symmetric oligopoly where consumer expectations about market shares are passive. We …