Aggregation Is Important in Macroeconomics Because

Multiple Choice

Aggregation is important in macroeconomics because

A) it is a basic tool of reasoning
B) we need a model with as much information as possible
C) it allows us to comprehend the entire economy in all its detail
D) it allows us to keep different markets separate in our minds
E) we need to consider the entire economy at once with a model as simple as possible