Economists Generally Use GDP to Measure a Nation's Total Output

Multiple Choice

Economists generally use GDP to measure a nation's total output because it is

A) equal to the sales value of all transactions conducted during a period and thus can be easily calculated.
B) the best available measure of the true costs of producing consumer goods.
C) unaffected by changes in the prices of products over time.
D) a relatively reliable measure of the value of all final product goods and services produced during a specific time period.