Consider the choices below. All of these except one truly represent the record of productivity growth in the United States from 1800 to the present. Find the one that does not belong.
A. Growth of per capital real GDP slowed down considerably between 1973 and 1994
B. The best period for GDP growth was the production boom between 1995 and 2005
C. There was a rapid rise in the growth rate of per capita GDP between 1950 and 1972
D. GDP per capita fell rapidly between 1900 and 1950
Answer: D