Question 7 1 pts Why would an Aggregate Demand curve slope downward? When the price level falls people can buy more goods and services (PPM increases) If prices increase people may spend less and save more, decreasing the interest rate and making borrowing cheaper--so buying on credit is cheaper O Aggregate Demand curves fluctuate randomly O Aggregate Demand curves don't always slope downward Question 8 1 pts The LRAS curve only shifts when there is a decrease or increase in the long-run growth rate of real GDP. No answer text provided. True False No answer text provided