Over the long run, real earnings per worker can increase only at about the same rate as the economy's rate of growth of

A) total output.
B) stock of capital.
C) output per worker.
D) international trade.

Economy's Rate of Growth

The steady increase in the gross domestic product (GDP) or gross national product (GNP) of an economy over time, indicating economic expansion.

Output per Worker

A measure of labor productivity calculated by dividing total output by the total number of workers.