000 00586pam a2200181a 44500
999 _c104213
_d104213
008 170807b2015 xxu||||| |||| 00| 0 eng d
100 _aKerr, Sari Pekkala
110 _aNational Bureau of Economic Research
245 _aGlobal collaborative patents /
_cSari Pekkala Kerr and William R. Kerr
260 _aCambridge
_bNBER
_c2015
300 _a62p
490 _aNBER Working Paper ;
_v21735
650 _aNBERWP 21735
650 _aE16106.pdf
700 _aKerr, William R
856 _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2015/E16106.pdf
942 _2ddc
_cE