I think the return of investment is the difference you have made in the entrepreneurs' life. It provides a long term sustainable income for the poor people. I

I think the return of investment is the difference you have made in the entrepreneurs' life. It provides a long term sustainable income for the poor people. I think that is the purpose of micro-finance. http://en.wikipedia.org/wiki/Microfinance http://en.wikipedia.org/wiki/Microfinance