Labor Productivity in the United States

Labor productivity in the United States

A) generally increases from one year to the next, but the rate of that increase fell drastically in the 1970s.
B) held stable over the past 50 years and so has maintained labor's share of GDP, at roughly 75 percent.
C) generally falls from one year to the next but particularly when outside shocks create high rates of inflation.
D) has been the source of increasingly inflationary wage settlements since the 1973 oil shock.
E) none of the above.