This economics assignment report delves into the impacts of monetary policy and government expenditure on an economy, particularly focusing on how these policies affect interest rates, inflation, exchange rates, and GDP growth. It explores the roles of central banks in managing money supply and the effects of fiscal policies, including discretionary and automatic stabilization methods. The assignment, prompted by the International Monetary Fund's revised GDP growth forecast, involves applying macroeconomic variables to the AD-AS model, analyzing the current economic situation influenced by factors like Brexit and trade wars, and making a six-month economic forecast. The report also considers how the central bank might adjust the cash rate in response to the economic outlook. The analysis includes key macroeconomic indicators and their influence on economic phases, providing a comprehensive overview of economic management and forecasting.