a) Briefly explain why each of the following would cause the Aggregate Demand curve to shift to the right(an increase), or to the left(a decrease):

1) an increase in housing prices

2) a decrease in interest rates

3) expectations that the economy will not perform very weel in the near future

4) rapidly growing economies of our trading partners

5) a planned decrease in spending by the Federal Government

b) List and explain three factors that could cause the U.S. Aggregate Supply curve to shift to the right(an increase).