Shifts and twists in the relative productivity of skilled labor

【作者(必填)】Arnaud Dupuy， Philip S. Marey

【文题(必填)】Shifts and twists in the relative productivity of skilled labor

【年份(必填)】2008

【全文链接或数据库名称(选填)】http://www.sciencedirect.com/sci ... i/S0164070407001206

maybe referene omment on ,,,,

maybe reference Comment on ‘‘Shifts and twists in the relative productivity of skilled labor”
Comment on “Looking back, looking ahead Biased technological change, substitution and the wage gap”