共 70 条
[3]
[Anonymous], 2007, ENV POLICY CORPORATE
[4]
[Anonymous], 2012, INFORMATION
[5]
[Anonymous], 2001, NBER PATENT CITATION
[6]
[Anonymous], 2000, PROTECTING THEIR INT
[8]
Arora Seema, 1995, VOLUTARY APPROACHES, V28, P271
[9]
Binswanger H., 1978, Induced Innovation: Technology, Institutions, and Development