In this paper, we tackle the dilemma of pruning versus proliferation in a vertically differentiated oligopoly under the assumption that some firms collude and control both the range of variants for sale and their corresponding prices, likewise a multiproduct firm. We analyse whether pruning...

Full paper is available at: "https://ssrn.com/abstract=3452497" https://ssrn.com/abstract=3452497Supplemental Material to the article "Buyer Alliances in Vertically Related Market". I first develop a model of vertical relationships that provides theoretical grounds for the status quo effect and...

Supplement is available at: "https://ssrn.com/abstract=3452506" https://ssrn.com/abstract=3452506Alliances of buyers to negotiate input prices with suppliers are commonplace. Using pre- and post-alliances data on household purchases of bottled water, I develop a structural model of bilateral...

This article discusses the approaches of the European Union (EU) and of the United States (US) to the notions of agreement and concerted practice applied to horizontal collusive consequences of vertical restraints. I conclude that networks of vertical restraints blur the differences between...

This paper empirically analyzes how the use of vertical price restraints has impacted retail prices in the market for e-books. In 2010 five of the six largest publishers simultaneously adopted the agency model of book sales, allowing them to directly set retail prices. This led the Department of...

We analyze the competitive effects of backward vertical integration when firms exert market power upstream and compete à la Cournot downstream. Contrasting with previous literature, a small degree of vertical integration is always procompetitive because efficiency gains dominate foreclosure...

In this paper we investigate the pricing incentives of IP holders and compare the equilibrium royalty rates charged by vertically integrated IP holders with those of non-integrated IP holders. We show that under many circumstances non-integrated companies are likely to charge lower royalties...

In this paper we consider a market situation in which initially there is an unintegrated monopoly upstream that owns an essential facility and two dowstream firms. Then the market is liberalized allowing upstream entry and vertical integration. The equilibrium entry mode - sharing the incumbent...

I this paper we consider a market situation in which initially there is an unintegrated monopoly upstream entry and vertical integration. The equilibrium entry mode -sharing the incumbent facility or building a new facility- is derived as well as the equilibrium market structure. Several policy...

In this paper we consider a market situation in which initially there is an unintegrated monopoly upstream that owns an essential facility and two downstream firms. Then the market is liberalized allowing upstream entry and vertical integration. The equilibrium entry mode--sharing the incumbent...