6. In each of the following cases, determine whether the IS curve shifts to the right or left, does not shift, or is indeterminate in the direction of shift. Explain why it does shift to the right or if it doesn't shift at all explain why it doesn't shift at all?
a)The real interest rate decrease.
The IS curve shifts to the right
b)The marginal propensity to consume declines.
c)Financial frictions decrease.
d)Autonomous consumption decreases.
e)Both taxes and government spending increase by the same amount.
f)The sensitivity of net exports to changes in the real interest rate decreases.
g)The government provides tax incentives for research and development programs for firms.