Seasonal Adjustment in Macroeconomic Analysis

Multiple Choice

Seasonal adjustment in macroeconomic analysis

A) is not usually important.
B) is not necessary because economic activity tends to be too irregular for data-adjustment purposes.
C) is often appropriate because most macroeconomic time-series exhibit predictable seasonal patterns.
D) cannot be done because seasonal variation in production is extremely volatile and unstable.
E) should never be done because is can mask important seasonal phenomena.