00534nam a22001817a#4500001000700000007000300007008004100010020001800051050001700069100002700086245006600113246005700179260004800236300001000284490002900294650001400323650001500337825205tz170606t2016    th ||||| |||| 00| 0 chi d  a9787300219387  aHB180b.M925  aMooldridge, Jeffrey M.  aheng jie mian yu mian ban shu ju de ji liang jing ji fen xi    aEconometric Analysis of Cross Section and Panel Data  aBeijing :bzhong guo ren min da xue,c2016.  a858 p  a jing ji ke xue yi cong   aeconomics  aStatistics