现代市场经济理论和消费理论表明,市场的发展是市场不断细分化、市场半径扩张和市场容量扩张的过程。一方面,其所对应的是产业结构的调整、产业升级换代和分工细分化,从而通过生产者的市场行为,形成了特定经济发展阶段的市场结构;另一方面,其所对应的是消费者的收入水平、消费水平及消费模式。现代市场的发展所体现的最本质特征是生产者对 Modern market economic theory and consumption theory show that the development of the market is a process of continuous market segmentation, market radius expansion, and market capacity expansion. On the one hand, it corresponds to the adjustment of the industrial structure, the upgrading of industries and the division of labor, so that through the market behavior of producers, the market structure at a specific stage of economic development is formed; on the other hand, it corresponds to consumption. The income level, consumption level and consumption pattern of the person. The most essential feature of the development of modern markets is that of producers