000 00506pam a2200169a 44500
008 170807b2009 xxu||||| |||| 00| 0 eng d
020 _a
082 _a
100 _aErkal, Nisvan
245 _aScarcity of ideas and R&D options: Use it, lose it or bank i
260 _aCambridge
_bNBER
_c2009
700 _aScotchmer Suzanne
700 _aNational Bureau Of Economic Research
856 _uhttp://elibrary.igidr.ac.in/e-library/working papers/NBER/2009/E652.pdf
906 _a80310
942 _2ddc
_cE
999 _c78392
_d78392