This report provides a comprehensive overview of key macroeconomic concepts. It begins by explaining the aggregate supply and aggregate demand curves, detailing their components and the factors that influence them. The report then delves into business cycles, describing contractionary and expansionary phases. Furthermore, it explores the concept of stable equilibrium, illustrating it with examples from the USA, Australia, and China. The analysis includes an examination of the Phillips Curve and its relationship to inflation and unemployment. The report uses diagrams and data to support its explanations, providing a clear and concise understanding of macroeconomic principles. The report also includes an analysis of the economic policies and performance of the USA, Australia, and China, with data on inflation and unemployment rates. Finally, the report concludes with a bibliography of the sources used.
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