Why Have Oil Shocks Become Less Economically Important for the United

Multiple Choice

Why have oil shocks become less economically important for the United States in recent years?

A) American oil producers increased production of oil inside the United States.
B) Negative oil shocks have been tempered by other positive productivity shocks.
C) New pipelines allow more oil to be imported.
D) Pipelines increased the distribution of oil within the United States.