The paper reviews the relevance of formal financial services - and in particular savings - to poor people, the economic factors that have hindered the mass-scale delivery of such services in developing countries, and the technology-based opportunities that exist today to make massive gains in...

This paper reviews the relevance of formal financial services – in particular, savings – to poor people, the economic factors that have hindered the mass-scale delivery of such services in developing countries, and the technology-based opportunities that exist today to make massive...