Patents and (R & D) expenditures. Download the Hausman, Hall and Griliches (1984) panel data on patents
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Patents and \(R \& D\) expenditures. Download the Hausman, Hall and Griliches (1984) panel data on patents and R\&D expenditures using 346 U.S. firms observed over the period 1975-1979.
(a) Replicate Tables 10.1 and 10.2 for the fixed effects specification using the Poisson and Negative Binomial distributions.
(b) Replicate Tables 10.3 and 10.4 for the random effects specification (including variables that are time invariant like LOGK and SCISECT) using the Poisson and Negative Binomial distributions.
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