試題詳解

1. The reason only newly produced goods and services are counted in GDP is that ________.
(A) it is very difficult to impute a value to used goods
(B) most expenditures on used goods and services take place outside the market
(C) it does not help economists make better economic predictions because second-hand goods rarely have any residual value
(D) it allows economists to avoid double counting the production of goods and services