The events on Sept 11, 2001 exerted an impact on the economy that could be classified as:
A) Secular trend
B) Episodic variation
C) Residual variation
D) Seasonal variation
E) Cyclical variation

Question

Quizplus · Accepted Answer

The events of September 11, 2001, were sudden and unexpected, causing a significant but temporary disruption to the economy, which is characteristic of episodic variation.

The Events on Sept 11, 2001 Exerted an Impact on the Economy