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This paper develops an equilibrium model of vertical foreclosure with the choice of input specifications. In this model, vertical foreclosure occurs as the upstream division of the integrated firm makes a specialized input for its sister downstream division while it would, as an independent firm, provide a generalized input. The changes in incentives with vertical integration can be explained by the externalities the choice of a specialized input entails; vertical integration allows the upstream firm to internalize the benefit of raising the rival firm's costs at the downstream level. The choice of a specialized input by the integrated firm serves as a natural commitment mechanism not to supply the rival downstream firms and, thus, enables us to dispense with the controversial price commitment assumption in the literature. We derive conditions for equilibrium vertical foreclosure to occur and discuss its welfare consequences.

The objective of this book is twofold. First, it presents the economics of minority shareholdings, under both merger and antitrust law. In particular, economic analysis provides both an overall assessment of minority shareholdings in the context of concentrations, and Articles 101 and 102 TFEU and the examination of the link between non-controlling minority shareholdings, merger control and antitrust law. Second, the book also provides a legal assessment and an analysis of selected case law. According to settled European case law, minority shareholdings are analysed not only under Regulation 139/2004, but also under Articles 101 and 102 TFEU. Nevertheless, according to current enforcement practice at European and international levels, several national competition authorities have adopted different approaches. The million dollar question is whether the existing regulatory framework is sufficient to cover all possible cases. In summary, the book will be a useful tool for students, practitioners, researchers, economic and legal experts and competition authorities. It provides a comprehensive survey of the subject, which has been missing until now and answers many questions that have been raised in the literature in the last decades.