This paper presents a patent choice model allowing strategic decisions in a sequential game with two agents: a patentholder, who perfectly knows thecharasteristics of the market, and a potential entrant who has no information about the value of demand. We study several Perfect Bayesian...

Two fields of thought evolved simultaneously, but scholars in one ignored the evolution of the other. The first was the theory of monopoly, whose broad nineteenth-century definition narrowed considerably during the twentieth century. Concepts contained in its original incarnation attained...

We examine minimum quality standards (MQS) regulation in vertically differentiated markets with free entry.

This essay is a status report on the development of a new approach to analysis of mergers. This approach replaces market-share- based presemptions with simulations of the effects of mergers within the context of tractable oligopoly models calibrated to the particular characteristics of the...

Our results seem to provide substantial evidence that joint operating agreement's (JOA) act as constrained rather than unconstrained monopolists in setting ad rates and circulation levels. The constraint of having to produce two dailies binds tightly enough to yield JOA CPM's that are much...