You also might want to check out the website of Grameen, the foundation and bank of the nobel laureate named above, Yunus. Here is the link:
http://www.grameenfoundation.org/?gclid=CO...CFQjaXgodrjqf7QWhen I studied at the Kennedy School in USA in 1999-2000 one of my professors there, Iris Bohnet also did a lot of research and publishing on this topic, you certainly
google her and if you email her some particular questions she is usually willing to help you with some answers.
In least developped countries, microfinance helps establish SME and infrastructure (for instance by financing a mobile phone for a person who then leases it for call by call charge to people in the village without telecommunication) in certain ways in a unique way. While the interest rates are quite high (for European standards) they are much lower than from local loan sharks. At an average the default quote is only 1-3 %. In certain countries, part of becoming eligble for loans from Grameen Bank also requires to adher to a set of rules which include sending your children to school, accept minimum sanitary standards, learn about contraception (where it makes sense from a religious and social perspective) and so on.
But Microfinance is not only reserved for the very poor. There has been some success with Microfinancing in areas of the former Soviet Union and it is also a topic in some of the US gettos in order to get people from social welfare programs into some form of business again. Of course there the amounts are somewhat higher, usually around 10.000.- USD.
One quite interesting approach in a similar direction but without too much of a social goal is SMAVA, a new internet plattform where people can lend and loan money P2P. There are also some requests listed there where projects in develloping countries shall be supported and each lender can decide whether he wants to have an interest rate for his money or not. I would always recommend to ask for interest since one might destroy the existence or growth of local Microfinance unwillingly by refraining from asking for interest. Same as you can destroy local farmers by sending huge shippments of food as a form of aid.
I might still have some reading material from my studies, Strawberry, if you need some scientific information about Microfinance, contact me and some time next week I can provide you with copies or leads. Good luck with your endavour!
Cheerio
Pat