This Element offers a review and synthesis of the theoretical analysis of mixed oligopoly, that is a hybrid market structure in which public (state-owned) and private firms interact, using a variety of strategic variables. A distinguishing feature of a mixed oligopoly is that firms have...

We develop a model of a mixed oligopoly to examine the role of R&D subsidies and evaluate the welfare effects of privatization. In solving the (n 1)-firms oligopoly model we make use of aggregative games techniques. Our analysis reveals that privatization reduces the optimal R&D subsidy, but...

We study firms' adoption of flexible versus dedicated technologies in the context of a mixed versus a private duopoly with product differentiation. The flexible technology allows a firm to become multiproduct or multimarket without bearing additional costs. We find that a configuration where...