共 43 条
[1]
Aguilar-Fernandez M.E., FIRM SIZE BUSINESS M
[5]
[Anonymous], 2008, The OECD REGPAT database
[7]
Blanch flower D., 1998, Economics of Innovation and New Technology, V5, P109, DOI [10.1080/10438599800000002, DOI 10.1080/10438599800000002]
[8]
Bogliacino F., 2010, ECONOMIA, V15, P141
[10]
Brouwer E., 1993, J EVOL ECON, V3, P153, DOI [DOI 10.1007/BF01213832, https://doi.org/10.1007/BF01213832]