The effect of an increase in the money supply on the rate of inflation would be studied in Macro economics.
The effect of government regulation on a monopolist's production would be studied in Micro economics.
The effects of government tax policy on long-term economic growth would be studied in Macro economics.
This is the branch of economics that is concerned with the study of the entire economy. It focuses on money supply, taxes and inflation and how it affects the economy.
This is the field that is concerned with individual businesses and the households in the economy.
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