Between 1950 and 2019 the productivity of wheat farmers in the United States more than doubled. This means that
A) the amount of land and other resources devoted to wheat production more than doubled.
B) the incomes of wheat farmers more than doubled.
C) the total amount of wheat produced more than doubled.
D) the amount of wheat produced by the average farmer more than doubled.

Question

Quizplus · Accepted Answer

The statement that productivity more than doubled implies that the average output per unit of input (in this case, per farmer) increased significantly. This does not necessarily mean that total resources, total production, or incomes more than doubled, but rather that the efficiency of production (output per farmer) improved.

Between 1950 and 2019 the Productivity of Wheat Farmers in the United