Shortly before the fall of the soviet union, the economist gur ofer of the hebrew university of jerusalem, wrote this: "the most outstanding characteristic of soviet growth strategy is its consistent policy of very high rates of investment, leading to a rapid growth rate of [the] capital stock." source: gur ofer, "soviet economic growth, 1928-1985," journal of economic literature, december 1987, p. 1,784. this turned out to be a very poor growth strategy because
a. there were diminishing returns to capital.
b. the amount of labor per unit of capital was increasing.
c. the capital stock was increasing less rapidly than technology.
d. the amount of capital per hour worked was decreasing.