跪求劳动经济学两篇文献
”The Effect ofVeterans' Benefits on Education and Earning"
Joshua D.Angrist
Industrial and Labor Relations Review 46 (July 1993 ):673---652
Training ,Wage Growth ,and job Peformance:Evidence from a Company Database ,"
Ann P.Bartel
Journal of Labor Economics 13 (july 1995):401---425