Karp Larry S.; Perloff Jeffrey M. - In: The B.E. Journal of Economic Analysis & Policy 13 (2013) 2, pp. 595-626
An upstream monopoly that provides a new good to a downstream oligopoly might prefer to sell to a single rather than to multiple downstream firms. For example, Apple initially sold its iPhone through one vendor. If a monopoly uses a single vendor, the government may impose a mandatory universal...