Wherefore art thou...?

House Aristos points to a Ronald Bailey article in Reason, “Our Intangible Riches”--interviewing "World Bank economist Kirk Hamilton about his team’s investigation into wealth and capital. The team’s results are published in Where is the Wealth of Nations?, available from the World Bank site. In short, the wealth of nations lies primarily in intangible capital; the education of the populace and the quality of social institutions."