“Quality, Not Just Quantity, of Infrastructure Needs Attention” (Wall Street Journal, May 20, 2015) has some interesting data. The U.S. has spent, adjusted for deprecation, 52 percent of GDP on “public capital stock” (infrastructure such as roads, bridges, train tracks, etc.) while the Germans have spent just 35 percent of GDP. What results have been … Continue reading U.S. versus German infrastructure spending and results