共 51 条
- [2] Acemoglu D, 2002, J ECON LIT, V40, P7
- [5] Angrist JD, 2009, MOSTLY HARMLESS ECONOMETRICS: AN EMPIRICISTS COMPANION, P1
- [6] [Anonymous], 2005, ESSAYS HONOR EDWIN M, DOI DOI 10.1007/0-387-25022-0_10
- [8] Arundel A., 1997, Innovation Measurement and Policies, V50, P101