In macroeconomics, aggregate supply denotes the total quantity of output or the real gdp of what companies produce and sell.
Macroeconomics is the study of an economy's overall performance, structure, behaviour, and decision-making. The term comes from the Greek prefix makro-, which means "big," and economics. Using interest rates, taxes, and government expenditure, for instance, to control the expansion and stability of an economy. This covers local, national, and international economies. The economic "data addressing the consequences of different macroeconomic strategies is still highly imperfect and open to substantial criticism," according to economists Emi Nakamura and Jón Steinsson in a 2018 study.
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