Ricardo Hausmann is a professor at the Harvard Kennedy School and the director of Harvard’s Growth Lab. We’ve talked to him multiple times in the past about the necessary preconditions for economies to grow and thrive. But in addition to his academic work, Hausmann was previously a policymaker in Venezuela, including a stint at the country’s central bank prior to the election of Hugo Chavez. In this conversation, we talk about how Venezuela went from being the largest oil exporter in the world (