Davos Billionaire on 70% tax: “Name a country where that’s worked — ever.” Co-panelist and MIT professor Erik Brynjolfsson responds: “The United States!” September 16, 2019 3:22 pm by IWB by Lumyai We are primarily funded by readers. Please subscribe and donate to support us! Source: bit.ly/percent_tax Also Read: stfly.io/Billionaires_in_Davos Views: