This paper, whose idea and perspective are new and special, explains the price dispersion in the homogeneous product markets, considering firm heterogeneities.
这篇文章立意新颖、视角独特,从企业异质性的角度解释了经济生活中同类产品市场上的价格差异现象。
It's commonly viewed as the only equilibrium outcome that each firm earns zero profit in the homogeneous product Bertrand game with constant marginal cost.