根据SCP范式,市场结构对企业的经营行为和市场绩效具有决定性的影响力,而市场结构的形成又受到很多因素的作用,在我国的现阶段,源于地方保护的市场分割对市场结构具有重要的影响力,在市场分割的环境下市场集中度、进入壁垒、竞争强度和规模经济都表现出独特的特征。这些市场结构上的特征可能可以用来解释我国企业偏爱多元化经营的行为。 According to the SCP paradigm, the market structure has a decisive influence on the business operations and market performance of enterprises, and the formation of market structure is affected by many factors. At the present stage of our country, the market segmentation resulting from local protection is important to the market structure In the market segmentation environment, market concentration, barriers to entry, intensity of competition and economies of scale all show unique characteristics. The structural features of these markets may be used to explain the preference of diversified businesses in our country.