Economists Blamed All of the Following for Causing the Depression

Economists blamed all of the following for causing the depression except

A) Structural problems made the 1920s prosperity far more unstable than the public realized at the time.
B) Wage increases lagged behind factory output, which reduced purchasing power.
C) Assembly-line production methods encouraged overproduction.
D) Housing, automobile, textile and other industries were deeply overextended.
E) Key industries embraced costly new technologies that they could not financially support.