Question 18 (1 point) The Federal Reserve is currently raising interest rates. Why? What are they concerned about? O real estate prices the stock market long-run inflation O corporate bond prices Question 19 (1 point) Equilibrium in the Macroeconomy, including the foreign sector, can be written as, GDP = C+1+ G+ RR GDI=C + DD + OCD O GDP = C+1+ G+ NX O GNP=GDP Question 20 (1 point) When the Federal Reserve conducts open market operations of buying Treasury bills, what effect does it eventually have on the economy? it increases aggregate demand it increases long run aggregate supply (LRAS) it increases government expenditures it increases short-run aggregate supply (SRAS)