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Cooperation in R&D and Sample Selection 智库出版物
2002
作者:  Claudio Piga;  Marco Vivarelli
Adobe PDF(528Kb)  |  收藏  |  浏览/下载:0/0  |  提交时间:2019/06/14
Cooperative R&D,bivariate probit,selectivity,outsourcing,business groups  
DP927 Small Firms and R&D Spillovers: Evidence from Italy 智库出版物
1994
作者:  David Audretsch;  Marco Vivarelli
收藏  |  浏览/下载:2/0  |  提交时间:2022/09/22
Human capital  International migration  Ordinal probit models