共 57 条
[3]
Andersson M., 2012, ENTREPRENEURSHIP NOR, P91
[7]
Audretsch D.B., 1994, EMPIRICA, V21, P105, DOI 10.1007/BF01383974
[9]
What made southwest German firms innovative around 1900? Assessing the importance of intra- and inter-industry externalities
[J].
OXFORD ECONOMIC PAPERS-NEW SERIES,
2007, 59
:I105-I126
[10]
Becker S. O., 2010, 8288 CEPR