nonnegative means ( )
选项:
A:If the price of a good goes up, if the good is a normal good, then it is nonnegative
B:If we have a normal good, the subtitution effect and the income effect work in is nonnegative.
C:For samll changes in price, Hicks and Slutsky definitions for substitution effects are nonnegative
D:If price of good goes down, the change in the demand for the good due to the subtitution effect must be nonnegative
发布时间:2024-05-06 22:10:51