6.7 In general, uncompensated cross-price effects are not equal. That is, @xi @pj 6 @xj @pi :...

6.7 In general, uncompensated cross-price effects are not equal. That is,

@xi

@pj 6¼ @xj

@pi

:

Use the Slutsky equation to show that these effects are equal if the individual spends a constant fraction of income on each good regardless of relative prices. (This is a generalization of Problem 6.1.)