TY - BOOK AU - D'Haultfoeuille, Xavier AU - Maurel, Arnaud AU - Zhang, Yichong ED - National Bureau of Economic Research TI - Extremal quantile regressions for selection models and the black-white wage gap T2 - NBER Working Paper PY - 2014/// CY - Cambridge PB - NBER KW - NBERWP 20257 KW - E12109.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2014/E12109.pdf ER -