Standard economics provides a well-understood framework of the competitive determinants of market prices that is now widely accepted for antitrust analysis. In “two-sidedmarkets,” where firms supply products demanded by two interrelated groups of consumers, these competitive forces operate...

A policy innovation that has achieved widespread diffusion across national and sub-national governments in industrialized countries is the promotion of networks among small manufacturers as a means of promoting competitiveness. However, research and evaluations of formal networks formed in...