%0 Journal Article %T Mixed variational inequalities and economic equilibrium problems %A I. V. Konnov %A E. O. Volotskaya %J Journal of Applied Mathematics %D 2002 %I Hindawi Publishing Corporation %R 10.1155/s1110757x02106012 %X We consider rather broad classes of general economic equilibrium problems and oligopolistic equilibrium problems which can be formulated as mixed variational inequality problems. Such problems involve a continuous mapping and a convex, but not necessarily differentiable function. We present existence and uniqueness results of solutions under weakened P-type assumptions on the cost mapping. They enable us to establish new results for the economic equilibrium problems under consideration. %U http://www.hindawi.com/journals/jam/2002/734309/abs/