边际效应

例句：

1. 1. The economistsargue that the marginal effect of a taxincrease is small.
   经济学家认为，税收增加的边际效应很小。
2. 2.The company's decision toinvest in new technology has a marginaleffect on its profits.
   该公司决定投资新技术对其利润有边际影响。
3. 3. The marginaleffect of this change onthe overall productivity is negligible.
   这种变化对整体生产力的边际影响可以忽略不计。