Micro economics is a part of economics that deals with individuals as well as firms behavior in small scale. Macroeconomics is a part of economics that deals with the whole economy's behavior.
Explanation:
Microeconomics
Why do economics major earn more than marketing major?
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Which company's stocks should your mother buy?
Why does the price of gasoline increase during summer?
Macroeconomics
How much will the economy grow next year?
Why does the unemployment rate increase during a recession?
What happens to price when government increase money supply?
Should the government pass a jobs bill to stimulate the economy?