共 48 条
[3]
Almeida Paul., 2012, INNOVATION GROWTH RD, V1rst, P21
[4]
Arendt L, 2018, SPR PROC BUS ECON, P225, DOI 10.1007/978-3-319-67101-7_17
[6]
Baum C. F., 2015, A new approach to estimation of the R&D-innovation-productivity relationship
[9]
Cerquera D., 2008, Endogenous firm heterogeneity, ICT and R&D incentives
[10]
Crepon B., 1998, Econ Innov New Technol, V7, P115, DOI [DOI 10.1080/10438599800000031, 10.1080/10438599800000031]