新古典经济学从生产成本的角度探讨纵向一体化,认为规模经济是理解企业纵向一体化的核心概念。不同于规模经济作为纵向一体化动因的解释,将规模经济作为横向一体化的目的,范围经济作为纵向一体化的目的,企业一体化选择即是在规模经济和范围经济之间的权衡,规模经济和范围经济的大小直接影响企业边界的变动。
Neoclassical economics discusses vertical integration from the angle of production costs, and it believes that scale economy is the core concept to understand vertical integration of enterprises. Different from regarding scale economy as the cause of vertical integration, the author regard scale economy as the purpose of horizontal integration, and scope economy as the purpose of vertical integration. The integration choice of enterprises is the tradeoff between scale economy and scope economy, and the size of the two economies directly influences the change of enterprise boundary.