Suppose the Central bank is conducting an expansionary monetary policy, in the new monetarist model by issuing outside money and exchanging it for government bonds on the open market. What are its effects on FLA? Illustrate the equilibrium effects of this on aggregates variables. Does it matter if there is a liquidity trap where excess reserves are held in the financial system? If so why? and if not, why not? explain.

Suppose the government increases its expenditures for a short term. What would the macroeconomic effects be? Based on the results of your analysis, do you think variations in government expenditures could explain the fluctuations we observe in business cycles? Why or why not?