Main description: The concept of general equilibrium, one of the central components of economic theory, explains the behavior of supply, demand, and prices by showing that supply and demand exist in balance through pricing mechanisms. The mathematical tools and properties for this theory have...

The paper introduces an abstract economy with imperfect competition; the choice of allocation takes place through an abstract mechanism, when produceres choose strategies and the outcome is (a set of) feasible allocations, where the consumers' choices are sustained by the market mechanism at...