Dean Karlan interviewed by Romesh Vaitilingam, 31 July 2009

Dean Karlan of Yale University talks to Romesh Vaitilingam about his research programme on microfinance, which uses experimental methodologies to examine what kinds of products work and why. They also discuss his work on ‘commitment contracts’, which people can use to try to modify their own behaviour. The interview was recorded at the American Economic Association meetings in San Francisco in January 2009.