Links (1/15/19)

• Will China’s Economy Hit a Great Wall? - Paul Krugman
• Disruption, Concentration, and the New Economy - Raghuram Rajan
• The Flynn Effect (Rising IQ Scores Over Time) Reverses - Tim Taylor
• Bad Precedent - Cecchetti & Schoenholtz
• 1789, the return of the debt - Thomas Piketty
• Front-Door Criterion Follow-Up - Marc F. Bellemare
• How Much Value Was Destroyed by the Lehman Bankruptcy? - Liberty Street
• In Conversation with Atif Mian - Equitable Growth
• Why deficits are sustainable and inflation has a life of its own - Roger Farmer
• Does Ultra-Low Unemployment Spur Rapid Wage Growth? - FRBSF
• What U.S. Government Shutdown Means for Economic Data - Washington Post
• Border walls - VoxEU
• The future of work - Economic Principals
• Machine Learning & Econometrics - Dave Giles
• Should we worry about temporarily raising government debt? - mainly macro