au.\*:("HECKMAN JJ")
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SAMPLE SELECTION BIAS AS A SPECIFICATION ERRORHECKMAN JJ.1979; ECONOMETRICA; USA; DA. 1979; VOL. 47; NO 1; PP. 153-161; BIBL. 12 REF.Article
DUMMY ENDOGENOUS VARIABLES IN A SIMULTANEOUS EQUATION SYSTEMHECKMAN JJ.1978; ECONOMETRICA; USA; DA. 1978; VOL. 46; NO 4; PP. 931-959; BIBL. 1 P.Article
A LIFE CYCLE MODEL OF FEMALE LABOUR SUPPLYHECKMAN JJ; MACURDY TE.1980; REV. ECON. STUDIES; GBR; DA. 1980; VOL. 47; NO 146; PP. 47-74; BIBL. 2 P.Article