Season 3 of summer school is here asking the biggest economic questions about what makes an entire economy grow or contract.Episode 1 begins with the rise of macroeconomics as a field, with one of the great economic debates of the 20th century: what causes booms and busts, and what can the government do about it? How free should a free market be? It's a debate (over beats and with an actual rap battle) between John Maynard Keynes and F.A. Hayek.Watch this Tik Tok to learn more and listen to our Spotify playlist. | Subscribe to our weekly newsletter here.