00380nam a2200169 a 450000500170000002000150001708200200003210000240005224500200007625000160009626000370011230000240014960000080017363000170018185600060019885600060020420251203112547.0  a3540780742  a330.015195bBAL  aBaltagi, Badi H.d_  aEconometricsb_  a2nd rev.ed.  aHeidelbergbSpringerc1999-R2000  axiv,96p.c24cm.bPB  bc_  aEconometrics  f_  a_