Question

what is macro econmics

Answer 1

Microeconomics (from Greek prefix mikro-meaning "small" + economics) is a branch of economics that studies the behaviour of individuals and firms in making decisions regarding the allocation of scarce resourcesand the interactions among these individuals and firms.[1][2][3]

One goal of microeconomics is to analyze the market mechanisms that establish relative prices among goods and services and allocate limited resources among alternative uses. Microeconomics shows conditions under which free markets lead to desirable allocations. It also analyzes market failure, where markets fail to produce efficientresults.

Microeconomics stands in contrast to macroeconomics, which involves "the sum total of economic activity, dealing with the issues of growth, inflation, and unemploymentand with national policies relating to these issues".[2] Microeconomics also deals with the effects of economic policies (such as changing taxation levels) on the aforementioned aspects of the economy.[4]Particularly in the wake of the Lucas critique, much of modern macroeconomic theories has been built upon microfoundations—i.e. based upon basic assumptions about micro-level behavior.

Answer 2

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-$\bold{macro \: economics}$

It deals with economic problems or economic issues at different levels of economy as a whole.