A central question in economics is understanding the difficulties that parties have in reaching mutually beneficial agreements. Informational differences provide an appealing explanation for bargaining inefficiencies. This chapter provides an overview of the theoretical and empirical literature...

It has been argued that two factors -- product durability and (potential) entry -- may force a monopolist to price at marginal cost. This article shows that when these two forces coexist, the tendency toward competition may be negated. First, we prove that durable goods oligopolists without...

This paper generalizes the Theorem of the Maximum (Berge, 1963) to allow for discontinuous changes in the domain and the objective function. It also provides a geometrical version of the (generalized) theorem.