1. Using the Aggregate Demand (AD) model diagram, illustrate
what happens to the equilibrium level of aggregate output when
firms start to feel more optimistic about the future and increase
their investment. (Hint: What happens to the IS curve?) Make sure
you properly label all the axes and curves. Will this lead more
likely to an expansion or recession?
2. Using the Aggregate Demand (AD) model diagram, illustrate
what happens to the equilibrium level of aggregate output when the
Federal...