Joel Mokyr’s Collège de France lectures: useful knowledge is non-rival, non-excludable, compounding; the market for ideas clears at 0, with increasing returns per minute watched; consumer surplus is civilization!
𝐿𝑎 𝑙𝑜𝑛𝑔𝑢𝑒 𝑑𝑢𝑟𝑒́𝑒 comes online: https://www.college-de-france.fr/fr/agenda/conferencier-invite/the-longue-duree-economic-history-and-the-rise-of-prosperity-in-the-modern-age