NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Michele Pezzoni

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September 2010Scientific Productivity and Academic Promotion: A Study on French and Italian Physicists
with Francesco Lissoni, Jacques Mairesse, Fabio Montobbio: w16341
The paper examines the determinants of scientific productivity (number of articles and journals’ impact factor) for a panel of about 3600 French and Italian academic physicists active in 2004-05. Endogeneity problems concerning promotion and productivity are addressed by specifying a generalized Tobit model, in which a selection probit equation accounts for the individual scientist’s probability of promotion to her present rank, and a productivity regression estimates the effects of age, gender, cohort of entry, and collaboration characteristics, conditional on the scientist’s rank. We find that the size and international nature of collaborative projects and co-authors’ past productivity have very significant impacts on current productivity, while age and gender, and past productivity are ...

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