Macroeconomics is the branch of economics that studies how the aggregate economy behaves. It focuses on aggregate expenditure and consumption of a nation or region. The amount saved and spent by all households, the productiveness of the country's labour force, and how actions of the government and central bank stimulate the overall economy. Common Macroeconomic measurements include GDP (the total amount of goods produced by an economy), Unemployment (the % of people in the economy that are not working) and inflation (the rate at which the prices are increasing). Macroeconomists develop models to explain the relationship between a variety of factors such as consumption, inflation, savings, investments, international trade and finance, national income and output to the overall economy, and at what magnitude each factor can affect the economic environment as a whole. They study the aggregated indicators of unemployment rates, GDP and price indices, and then analyse how differe
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