https://aifaultline.com/authors/gianmario-strappati/New papers by Gianmario Strappati in the AI Fault Line guide, and news naming them. https://aifaultline.com/research/p/doi-10-47260-amae-1659/https://aifaultline.com/research/p/doi-10-47260-amae-1659/Fri, 19 Jun 2026 00:00:00 +0000A cross-country panel study using OECD productivity, patent and intangible-capital data to test whether AI innovation raises aggregate productivity. It finds AI patent intensity has weak, statistically insignificant links to total factor productivity, while intangible capital is tied to localized sectoral gains, suggesting AI's efficiency effects diffuse only weakly across economies.