In that case the marginalrateofsubstitution need not equal the ratio of the prices.
在那种情况下,边际替代率不必等于价格比率。
2
The consumer chooses consumption of the two goods so that the marginalrateofsubstitution equals the relative price.
消费者选择两种商品的消费以便边际替代率等于相对价格。
3
The marginalrateofsubstitution of goods and the existence theorem of the optimal solution is to introduce some of the previous extension of the theory.