Mark Koyama is an associate professor of economics at George Mason University and is a senior fellow with the F.A. Hayek Program for Advanced Study in Philosophy, Politics, and Economics at the Mercatus Center. Mark is also a returning guest to the podcast, and he rejoins Macro Musings to talk about his recent book that he co-authored with Jared Rubin titled, *How the World Became Rich: The Historical Origins of Economic Growth.* Specifically, David and Mark discuss the key drivers of long-run economic growth throughout history and what we might be able to expect in the future.   Transcript for this week’s episode.   Mark’s Twitter: @MarkKoyama Mark’s GMU profile Mark’s Mercatus profile   David Beckworth’s Twitter: @DavidBeckworth Follow us on Twitter: @Macro_Musings   Join the Macro Musings mailing list! Check out our new Macro Musings merch!   Related Links:   *How the World Became Rich: The Historical Origins of Economic Growth* by Mark Koyama and Jared Rubin