TY - JOUR AU - Do Sun Bai AU - Min Koo Lee TI - Economic Designs of Single and Double Screening Procedures. JO - Metrika PY - 1993 SP - 95 EP - 113 VL - 40 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1993__40_2_176450/ ID - MET_1993__40_2_176450 ER -