MINITRY OF EDUCATION AND TRAINING NATIONAL ECONOMIC UNIVERSITY PHẠM VŨ HOÀNG PHAM VU HOANG Human Administration (Ergonomics) 62340404 DOCTORAL THESIS ON ECONOMICS Hanoi, 2013 THE THESIS HAS BEEN DONE IN THE NATIONAL ECONOMIC UNIVERSITY LIST OF RESEARCH PROJECTS MADE PUBLIC BY THE AUTHOR !" ) * # $" ! %& %''(& * % Assoc Prof, PhD Tran Xuan Cau PhD Nguyen Ba Thuy %''(& ! " # $ % + $ " - / " The thesis is available at: National Library Library of the National Economics University ! + & $ " %1& 02%'' %' & !% The thesis will be presented under the assessment of the Council for thesis evaluation at university level Meeting at the National Economics University At day months in 2013 % " %' & $ Assoc Prof, PhD Mac Van Tien $ % ( & , )! ! %''( Assoc Prof, PhD Mai Quoc Chanh PhD Bui Sy Loi + '2%' ' ' %''(& % INTRODUCTION ! The Rationale " " * + ! *" " " " 556 " ! ) " ! *$ $ " * ) $ )* ! ! ! ++ " " * ** + $ $ " * ) " ! + "! * " ! " $ $ " * * 0(0 070 000 %''0 " ! " + ! $ $ ! 1' !* & ! * +! ( ( %98 %8 08 " " $ $ " ! " " ! * " + $ $ " + $ * ! $! *"%' " ! " + ! $ $ 1' :& * 08 *$ " ! " + ! $ $ 19:& * (8 " *+; " (8& * " * !" $ $ " *"! " ! , ! " $ "! " $ $ " ) $! ** ! " ) ! " !! " +! *"! " ! * *" " * ! * * *" "! *$ !" * *" $ * * *" + ! " ! $ $ * * + $* + *" ! " * $