题目选项分析

Economist: Paying extra for fair-trade coffee-coffee

labeled with the Fairtrade logo-is intended to help

poor farmers, because they receive a higher price for

the fair-trade coffee they grow. But this practice may

hurt more farmers in developing nations than it helps.

By raising average prices for coffee, it encourages

more coffee to be produced than consumers want to

buy. This lowers prices for non-fair-trade coffee and

thus lowers profits for non-fair-trade coffee farmers.



To evaluate the strength of the economist's argument,

it would be most helpful to know which of the following?

【选项】What proportion of coffee farmers in developing

nations produce fair-trade coffee