However , historians lack consensus in describing the causal relationship between various events and the role of government economic policy in causing or ameliorating the Depression .
In supporting his competition - limiting regulatory initiatives President Roosevelt blamed the excesses of big business for causing an economic bubble .
Historians lack consensus in describing the causal relationship between various events and the role of government economic policy in causing or ameliorating the Depression .
In supporting his competition - limiting regulatory initiatives President Roosevelt blamed the excesses of big business for causing an economic bubble .