Links (8/6/18)

• Notes on a Butter Republic - Paul Krugman
• An Interview with Avinash Dixit - The Politic
• Trump v. Fed - Cecchetti & Schoenholtz
• The robot paradox - Stumbling and Mumbling
• The ethnic segregation of immigrants in the US from 1850 to 1940 - VoxEU
• The Emergence and Erosion of the Retail Sales Tax - Tim Taylor
• Are Trump’s Policies Hurting Long-Term US Growth? - Kenneth Rogoff
• How Do the Fed's MBS Purchases Affect Credit Allocation? - Liberty Street
• They Want What We’ve Got - Economic Principals