We revisit the endogenous choice of price or quantity made by two retailers in a vertical structure with a monopolistic manufacturer under network externalities when the retailers involve in centralized Nash bargaining with the two-part tariff contracts. When comparing integration to separation...

We investigate the endogenous choice of strategic variable (a price or a quantity) by downstream firms in a two-tier industry in which an upstream firm performs the R&D investment. We show that when the upstream firm offers either linear discriminatory or uniform input price, it is a dominant...

Incorporating the extension of exclusive dealing into Cournot competition, we analyze the multiproduct downstream firms' choice of organizational form between U-form and M-form. With managerial delegation in downstream firms, we find that choosing U-form for the downstream firms is a dominant...