According to the classical result on complementary monopolies, a single-product firm unambiguously prefers purchasing complementary inputs from an integrated monopolistic supplier rather than from different non-integrated monopolistic suppliers. In this note, we account for the fact that firms...

Distribution channels in which a common retailer undertakes long-term investments and coordinates the sale of competing products are prevalent in many industries. We study how the allocation of bargaining power among the retailer and the suppliers affects investment incentives, market shares,...