advertising agency industry? This question is addressed by treating an advertising agency as a multiproduct firm. The firm … advertising messages which it creates on behalf of its clients. Evidence is presented indicating that the structure of demand and … costs in the advertising agency industry conforms to the conditions that MacDonald and Slivinski (1987) showed were required …

expectations of future profits which, in turn, depend on the nature of competition within the market. In this paper we estimate a … by potential entrants, fixed costs faced by incumbent producers, and the toughness of short-run price competition are all …

show that sectors characterized by a higher degree of competition (more substitutable products and a lower concentration of …

provides an introduction to the economics of 2SPs and its application to several competition policy issues …

The extent of pharmaceutical advertising and promotion can be characterized by a balancing act between profitable … of competition (e.g. monopoly versus oligopoly). In this paper we model the firm's behavior under different competitive … scenarios and test the model's predictions using a novel combination of sales, promotion, advertising, and adverse event reports …

In this paper, we explore the hypothesis that an important force behind the collapse in advertising revenue experienced … introduce a model of the market for advertising on news media outlets whereby news outlets are modeled as competing two … equilibrium outcomes in the advertising market. One consequence is that multi-homing on the part of advertisers is heterogeneous …

This paper builds a new model of financial exchange competition, tailored to the institutional details of the modern US …

The correlation between productivity and competition is an oft–observed but ill–understood result. Some suggest that … there is a treatment effect of competition on measured productivity, e.g. through a reduction of managerial slack. Others … argue that greater competition makes unproductive establishments exit by reallocating demand to their productive rivals …