This paper presents and interprets descriptive statistics generated from data obtained in a survey of clients of five microfinance organizations believed to be among the best in Bolivia. These lenders represent different combinations of organizational design, lending technology, and market area...

This paper focuses on the difficulties inherent in the prudent management of growth of microfinance organizations and on potential limits to the increased efficiency, profitability, and sustainability expected from growth and large size. The paper addresses both positive and negative...

We construct a theoretical framework that puts the social worth of a microfinance organization (MFO) in terms of the depth, worth to users, cost to users, breadth, length, and scope of its output. We then analyze evidence of depth of outreach for five MFOs in Bolivia. Most of the poor households...

This paper focuses on the difficulties inherent in the prudent management of growth of microfinance organizations and on potential limits to the increased efficiency, profitability, and sustainability expected from growth and large size. The paper addresses both positive and negative...

Bolivia has the most advanced microfinance sector in Latin America and has been a model worldwide. Apex banks�banks that lend to banks�have not been responsible for this success. Apex banks can provide funds for retail microfinance organizations, and/or strengthen their organizational...

This paper examines the contract design problem of microfinance institutions seeking to maximize outreach to the poor while remaining financially sustainable. A dynamic model of group lending is developed that shows how optimal interest rates depend on information regarding moral hazard and...

This paper provides an overview of the microfinance industry in developing countries. It highlights the early development of the concept of microfinance and identifies some of the key issues and debates concerning its performance in terms of outreach, sustainability, and impact. Studies are...

A dynamic, stochastic, rational expectations model of a peasant household with access to deposits and loans (up to a credit limit) is solved and simulated. If formal contracts offer more favorable rates than informal contracts, then access to formal contracts increases average consumption and...

This paper suggests ways donors can help the evolution of sustainable microfinance organizations. Sustainability is good because it helps MFOs help more poor people than otherwise. Sustainability is hard because it requires balancing outreach and sustainability with prices the poor can afford...