000 00609pam a2200181a 44500
999 _c95272
_d95272
008 170807b2013 xxu||||| |||| 00| 0 eng d
100 _aLevchenko, Andrei A
110 _aNational Bureau of Economic Research
245 _aRicardian productivity differences and the gains from trade /
_cAndrei A. Levchenko and Jing Zhang
260 _aCambridge
_bNBER
_c2013
300 _a41p
490 _aNBER Working Paper ;
_v19641
650 _aNBERWP 19641
650 _aE10796.pdf
700 _aZhang, Jing
856 _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2013/E10796.pdf
942 _2ddc
_cE