Economic Historians Have Pointed to Which of the Following to Explain

Multiple Choice

Economic historians have pointed to which of the following to explain the demise of the Soviet Union?
I. Managers were evaluated based on profits rather than production quotas.
II. There was misallocation of investment, with "prestige" sectors chosen over less productive ones.
III. Planners emphasized the short run over the long run.

A) I only
B) II only
C) III only
D) II and III