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Research Policy > 2017 > 46 > 1 > 138-159
Journal of Asian Economics > 2007 > 18 > 2 > 284-293
China Economic Review > 2006 > 17 > 3 > 300-320
Research Policy > 2017 > 46 > 1 > 138-159
Journal of Asian Economics > 2007 > 18 > 2 > 284-293
China Economic Review > 2006 > 17 > 3 > 300-320