Answer one of the following questions:
A. While having a haircut, the hairdresser heard you were studying macroeconomics and said "The reason the aggregate demand curve slopes downward is that when the price level is higher, people cannot afford to buy as many goods and services". Do you agree or disagree with the hairdresser's statement? Explain.
B. List three variables that would cause a decrease in real GDP--indicate whether changes in each variable increase or decrease aggregate demand or short-run aggregate supply. Next, state three variables that would cause an increase in the price level--indicate whether changes in the variable increase or decrease aggregate demand or short-run aggregate supply.