Chapter 15 "As the economy Roves upward along its aggregate supply curve, the economy also moves upward along its short-run Phillips curve." Is the previous statement correct or incorrect? Briefly explain your answer. (3 points) Chapter 16 Could the expansionary fiscal policy adopted by the U.S. government lead to economic recovery from the Covid-19 shutdown? (3 points) Chapter 19 In the foreign exchange market, how does a change in expected future U.S. exchange rate affect the demand for dollars? (4 points)