The Influence of Monetary and Fiscal Policy on Aggregate Demand
這章討論 policy 如何透過 interest rate、government purchases、taxes 影響 aggregate demand，進而改變短期 Real GDP 與 Price level。
Liquidity Preference
D-MacroEcon-Ch35a-Liquidity_Preference_Theory
Monetary Policy
D-MacroEcon-Ch35b-Monetary_Policy_and_Aggregate_Demand
Fiscal Policy
D-MacroEcon-Ch35c-Fiscal_Policy_and_Aggregate_Demand