作者：Choi, Jay Pil; Jeon, Doh-Shin
作者单位：Michigan State University; Yonsei University; Universite de Toulouse; Universite Toulouse 1 Capitole; Toulouse School of Economics
摘要：Motivated by recent antitrust cases in markets with zero-pricing, we develop a leverage theory of tying in two-sided markets. In the presence of the nonnegative price constraint, the Chicago school critique of tie-ins fails to hold. In the independent products case, tying provides a mechanism to circumvent the constraint in the tied market without inviting aggressive responses by the rival firm. In the complementary products case, the price squeeze mechanism cannot be used to extract surplus f...
作者：Fershtman, Chaim; Persitz, Dotan
作者单位：Tel Aviv University
摘要：We present a strategic network formation model based on membership in clubs. Individuals choose affiliations. The set of all memberships induces a weighted network where two individuals are directly connected if they share a club. Two individuals may also be indirectly connected using multiple memberships of third parties. Individuals gain from their position in the induced network and pay membership fees. We study the club congestion model where the weight of a link decreases with the size of...
