Price Theory

Microeconomics (from Greek prefix mikro- meaning "small") is a branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of scarce resources and the interactions among these individuals and firms.

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 efficient results.

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

Adam Smith He was an economist and philosopher who wrote what is considered the bible of capitalism The Wealth of Nations, in which he details the first system of political economy.After toiling for nine years, in 1776 Smith published An Inquiry into the Nature and Causes of the Wealth of Nations (usually shortened to The Wealth of Nations), which is thought of as the first work dedicated to the study of political economy. Economics of the time were dominated by the idea that a country’s wealth was best measured by its store of gold and silver. Smith proposed that a nation’s wealth should be judged not by this metric but by the total of its production and commerce—today known as gross domestic product (GDP). He also explored theories of the Division of labor, an idea dating back to Plato, through which specialization would lead to a qualitative increase in productivity.

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