关键词: 混合经济, 价格机制, 竞争均衡, 不动点

Abstract: This present paper is concerned with the economic system with the dual price mechanism,the existence of the equilibria of the mixed economy is proved by Kakutani’s fixed-point theorem.The result obtained in this paper is important to economic reform of the China.

Key words: Mixed economy, price mechanism, Equilibrium, Fixed-point theorem