Publication The Innovation-Complexity Trade-off: How Bottlenecks Create Superstars and Constrain Growth Innovation and Technology, Work, Regulation and Competition, Inequality, Working Paper
Publication Communications Policy in the Era of Choice and Convergence with Reflections on the Markle Foundation Working Paper
Publication Early Twentieth Century Productivity Growth Dynamics: An Inquiry into the Economic History of Our Ignorance (Revised April 1999) Working Paper