共 61 条
[1]
ABRAMOVITZ M, 1956, AM ECON REV, V46, P5
[2]
Acs Z., 1990, INNOVATION SMALL FIR
[5]
Al-Osh M. A., 1987, Journal of Time Series Analysis, V8, P261, DOI [10.1111/j.1467-9892.1987.tb00438.x, DOI 10.1111/JTSA.1987.8.ISSUE-3]
[6]
Fixed-effects negative binomial regression models
[J].
SOCIOLOGICAL METHODOLOGY 2002, VOL 32,
2002, 32
:247-265
[9]
[Anonymous], 2013, Regression Analysis of Count Data
[10]
[Anonymous], 2001, G 24 DISCUSSION PAPE