In: Economics
Microeconomics is the study of economic decision of a specific individual or firm .
1 Individual markets behavior for demand and supply
2 prices of goods
3 individual labour markets eg demand for labor and wage rate
4 individual consumer behavior
So it is bottom up approach
Macroeconomics is the studies behavior of whole economy and how policies in a country affects the economy as a whole
1 Whole economy that is GDP
2 aggregate prices and inflation and effect
3 level of employment or unemployment in a country
4 effective aggregate demand and affects on output and income
It is top down approach
No assumptions in both are different
Microeconomics takes assumptions of macro economics like aggregate price level, technology changes, expectations etc as constant
Macroeconomics take assumptions of microeconomics like rational consumers, law of demand etc as constant
Welfare economics
Micro theory of distribution explains how rates of rewards for various factors of production are determined
It relates to functional distribution that is theory of factor pricing and welfare
Macro theory of distribution deals with problem of determination of aggregate rewards of various factors in national income means relative shreshth of various factors in national income.
National income of distribution is e uitable or not