The use of abstraction in economic analysis is one of its primary weaknesses.

On the horizontal segment of the aggregate supply curve, real GDP can increase without causing an increase in the price level

Indicate whether the statement is true or false

The AD curve shows the various amounts of real output that people are willing and able to

A) buy at different income levels. B) buy at different price levels. C) sell at different profit levels. D) sell at different price levels. E) none of the above