marginalrevolution.com/marginalrevolution/2026/09/accounting-for-cross-country-income-differences-revisited.html Accounting for Cross-Country Income Differences Revisited
Two decades of refinements to a classic 2005 model just flipped the story on global poverty: measurable inputs like human capital now explain 55–70 percent of income gaps between countries, not 30 percent. Better data on labor, capital and management quality is squeezing out the old mystery variable, productivity.
— via Marginal Revolution, Tyler Cowen
