decline characteristic meaning in English

递减特性

In chapter 4 , based on more than two sub - markets conditions under economies of scale , the paper studies the relationship between the declining characteristic of marginal cost and the change direction of the price , it prove that if the price profit function under price discrimination is strictly quasiconcave and the n demand functions are downward sloping and independent , a necessary condition for prices to either fall or rise in all sub - markets under price discrimination is that marginal cost be a declining function of total output
本文第四章主要基于多个子市场情形,对规模经济条件下边际成本的递减性与子市场价格变化趋势的关系进行探讨,证明了递减的边际成本是三度价格歧视条件下n个子市场价格均下降或上升的必要条件,将stephenk . layson [ 8 ]的结果拓展到n个子市场的情形。