One of his main contributions was later called Human Capital Theory, and inspired much work in international development in the 1980s, motivating investments in vocational and technical education by Bretton Woods system International Financial Institutions such as the International Monetary Fund and the World Bank.
他的一个主要贡献后来被称为人力资本理论，这一理论在20世纪80年代启发了国际上大量的发展工作，激励国际货币基金组织和世界银行等布雷顿森林体系国际金融机构投资于职业和技术教育。