Our high rate of productivity growth following World War II began to decline around the year ____.

Productivity Growth

An increase in the efficiency of production, often measured as the rate at which an economy can produce goods and services relative to inputs over time.

World War II

A global conflict that lasted from 1939 to 1945, involving most of the world's nations, including all of the great powers, eventually forming two opposing military alliances: the Allies and the Axis.