3. In Country X, GDP is $400B below the full-employment level of output. Government officials have measured the marginal propensity to consume at 0.75.
b. Say that, for a variety of reasons, the government shows it is not up to the task of conducting fiscal policy. The central bank steps up and does something about it. If a 1% decrease in interest rates leads to an increase in investment of $50B, how should the central bank's interest rate targets change?