We analyze how consumer preferences for one-stop shopping a¤ect the (Nash) bargaining relationships between a retailer and its suppliers. One-stop shopping preferences create demand complementarities among otherwise independent products which lead to two opposing effects on upstream merger...

We consider a downstream oligopoly model with one dominant and several fringe retailers, who purchase a manufacturing product from a monopoly supplier. We then examine how the supplier's outside option influences the relation between the dominant retailer's bargaining power and the equilibrium...

In light of recent increased policy attention directed toward health insurance, the next significant health plan merger is almost certain to receive close scrutiny from many quarters, including representatives of providers, such as the American Medical Association and the American Hospital...

We examine welfare effects of real-time pricing in electricity markets. Before stochastic energy demand is known, competitive retailers contract with final consumers who exogenously do not have real-time meters. After demand is realized, two electricity generators compete in a uniform price...

The objective of this paper is to survey the recent developments in economic theories of buyer power and using the theories as a guide to discuss how antitrust cases involving buyer power can be analysed. An important conclusion that emerges from this survey is that the competition effects of...

Entry into a network industry is modeled, focusing on consumers' expectations formation. Equilibrium expectations are endogenous and they depend on prices, acting as a coordination device among consumers. The model is able to account for aggressive pricing policies by the incumbent and by the...