. . . . . . . . . . . . . "Distance, Demand, and Oligopoly Pricing"@en . . . . . . . . . . . . "Distance, demand, and oligopoly pricing"@en . . . . "Distance, demand, and oligopoly pricing" . . . . . "INTERNATIONAL TRADE." . . "PRODUCTION COSTS." . . "PRICES." . . "INDUSTRIAL COSTS." . . "University of Michigan. Center for Research on Economic and Social Theory." . . . . "MATHEMATICAL MODELS." . .