Built on the location model, this paper studies the rivalry of two firms in an industry through two-part tariffs. It is found that kinky profit functions are responsible for the coincidence of imperfectly competitive equilibrium and cartelization outcome. A duopoly likely results in higher entry...

Investments in Generating Capacities between a monopolist and two competing firms are compared where the firms invest in their capacity and fix the retail price while electricity demand is uncertain. A unit price auction determines the wholesale electricity price when the firms compete. They...

The transformation of world?s main stock markets into enterprises acting in a competitive environment is in progress and its consequences are not all known. Three strategies are competing with each other: vertical integration of exchange and CSD; horizontal growth of the market share to an...

We consider a homogenous good oligopoly with identical consumers who learn about prices either by (sequentially) visiting firms or by consulting a price agency who sells information about which firm charges the lowest price.