This topic is examined in AS & A-Level Paper 1 and Paper 2 for WJEC (Wales) Economics. You can find notes for it below:
Macroeconomic Theory
a-The-circular-flow-of-income-model-2
b-The-units-of-aggregate-demand-AD
c-The-AD-function-2
d-The-aggregate-supply-AS-function-2
e-AD-AS-analysis-1
Macroeconomic Objectives
a-Government-policy-objectives-2
Policy Instruments
a-Fiscal-policy-3
b-Monetary-policy-3
c-Exchange-rates-and-exchange-rate-policy-1
d-Supply-side-policies-1