As these investigations may overlap each other, philosophy of economics pointed into three basic subject matters as branches of action theory, ethics (normative social and political philosophy) and philosophy of science. Economic theories of Rationality, Welfare, and Social Choice are based on substantial philosophical Theses. All the relevant philosophical literature and evidences are outcome of those interested in action theory, philosophical psychology, and social and political philosophy with objectives of social phenomena.

Micro-credit is a popular tropics among the under developing countries. Governments, non-governmental Organizations, donors and development partners are also emphasizing on Micro-credit. As a result most of the so--called “Non Profit Nongovernmental Organizations" are driven in the Micro--credit Market and making illegal Profit. In the name of Development, what’s really going on? This is the proper time to check back Micro--credit. Otherwise an ill financial transaction can break down the socio-economic backbone of a nation.

In present days Micro--credit is defined as small finance to the poor people to eliminate poverty and upgrade their livelihood. In the process, the word Micro--credit or small finance has been imputed to mean everything to everybody. No one now gets shocked if somebody uses the term "Micro--credit " to mean agricultural credit, or rural credit, or cooperative credit, or consumer credit, credit from the savings and loan associations, or from credit unions, or from money lenders.

There are three types of micro--credit: informal micro-credit (such as, moneylender's credit, pawn shops, loans from friends and relatives, consumer credit in informal market and other informal groups); formal activity based micro--credit (through conventional or specialized banks such as, agricultural credit, livestock credit, fisheries credit, handloom credit Consumer credit, and other rural credit) and NGO-Cooperatives & Specialized Institute based Micro--credits.