16:23The EssentialThe Inquiry: Who Wins in a Cashless Economy?BBC World Service Duration: 6 minutes Wed 21st Sep 2016, 16:23 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowHarvard economist Ken Rogoff makes the case for cashless Show more GenresNewsFormatsMagazines & ReviewsBrandThe Essential Source: BBC Online