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Econometric Models for Count Data with an Application to the Patents-R&D Relationship

Hausman, Jerry A.; Hall, Bronwyn H.; Griliches, Zvi - 2021

This paper focuses on developing and adapting statistical models of counts (non-negative integers) in the context of panel data and using them to analyze the relationship between patents and R&D expenditures. The model used is an application and generalization of the Poisson distribution to...

Persistent link: https://www.econbiz.de/10013218984

Firm Level Investment and R&D in France and the United States : A Comparison

Mulkay, Benoit; Hall, Bronwyn H.; Mairesse, Jacques - 2021

This paper is a contribution to the small but growing literature that compares the investment and R&D behavior of manufacturing firms in large developed countries that have varying financial and capital market institutions. Specifically, we look at two similar samples of French and United States...

Persistent link: https://www.econbiz.de/10013222959

The Private Value of Software Patents

Hall, Bronwyn H. - 2014

. However, while we obtain clear evidence that the technological importance or quality of patented innovation mattered for the …

Persistent link: https://www.econbiz.de/10012752290

Firm-Level Investment in France and the United States : An Exploration of What We Have Learned in Twenty Years

Mairesse, Jacques; Hall, Bronwyn H.; Mulkay, Benoit - 2021

changes in modelling strategy and econometric methodology, over the past twenty years, on estimation of firm-level investment … correction, traditional between- and within-firm estimation versus GMM estimation, the investment behavior of French firms versus … significant improvement in the specification, estimation and interpretation of firm investment equations; we also fin some real …

Persistent link: https://www.econbiz.de/10013230971