Returns to Education: Evidence from U.K. Twins
利用英国双胞胎数据,通过比较同卵和异卵双胞胎的教育差异,估计教育对收入的影响,为劳动经济学家和政策制定者提供因果证据。
Returns to Education: Evidence from U.K. Twins by Dorothe Bonjour, Lynn F. Cherkas, Jonathan E. Haskel, Denise D. Hawkes and Tim D. Spector. Published in volume 93, issue 5, pages 1799-1812 of American Economic Review, December 2003