This week, Mario Stefanidis, Roundhill Investments vice president of research, who actively manages the firm's sports-themed MVP ETF, joined to talk about the investment side of the short-lived European Super League. Ali Wolf, chief economist at Zonda, a housing market research and real estate analytics firm, came on to talk about the U.S. housing market. Then New York Times columnist and Nobel Prize-winning economist Paul Krugman joined for a wide-ranging interview on his economic outlook, inflation and why he thinks trade policy has always been overrated.