1個(gè)回答
楊博助教
2017-07-18 15:39
該回答已被題主采納
A和 B都是正確的表述,C選項(xiàng)是錯(cuò)誤的,CPI是更常用的指標(biāo)。
對于B選項(xiàng)來說,
Similar to the CPI, scope and weights vary among countries. The differences in the weights can be much more dramatic for the PPI than for the CPI because different countries may specialize in different industries.
