When hamburger is $3 per pound, Ms. Rush buys 6 pounds. When hamburger is $2 per pound, Ms. Rush buys 10 pounds. Describe Ms. Rush's demand between these two prices

If the price level increased from 200 to 250, then what was the inflation rate?

a. 50 percent b. 25 percent c. 20 percent d. None of the above is correct.

One way to express the classical idea of monetary neutrality is to draw

a. a downward-sloping short-run Phillips curve. b. an upward-sloping short-run Phillips curve. c. a downward-sloping long-run Phillips curve. d. a vertical long-run Phillips curve.