Dorothé Bonjour|Lynn Cherkas|Jonathan Haskel|Denise Hawkes|Tim D. Spector
Returns to Education: Evidence from U.K. Twins
St. Thomas Hospital|Queen Mary University of London|St. Thomas Hospital
returns education evidence uk twins dorothe bonjour lynn f cherkas jonathan e haskel denise hawkes tim spector published volume 93 issue 5 pages 17991812 american economic review december 2003