Chris Woodruff has pioneered academic research into businesses, large and small, in low-income countries, He is also a non-executive Director of British International Investment (BII), a development finance institution and impact investor that partners with more than 1,500 businesses in emerging economies, with assets of £8.1 billion.  Chris talks to Tim Phillips about what he has learned from his association with BII into how research can inform policy and investment – and whether economists worry too much about external validity.

Read the full show notes on VoxDev: https://voxdev.org/topic/firms/role-evidence-development-finance-institutions