PatentsRDUS

yearly observations of 346 production units
number of observations : 3460
country : United Stateseconomic topic : industrial economicseconometrics topic : count data

datasets

Estimation of panel models for glm-like models:
this includes binomial models (logit and probit), count models (poisson and negbin)
and ordered models (logit and probit), as described in:
Baltagi (2013) Econometric Analysis of Panel Data, ISBN-13:978-1-118-67232-7,
Hsiao (2014) Analysis of Panel Data <doi:10.1017/CBO9781139839327> and
Croissant and Millo (2018), Panel Data Econometrics with R, ISBN:978-1-118-94918-4.

Yves Croissant

pglm

Panel Generalized Linear Models

PatentsRDUS function

A dataframe containing :<dl class="dl-horizontal">
 <dt>cusip</dt><dd>compustat's identifying number for the firm</dd>
 <dt>year</dt><dd>year</dd>
 <dt>ardssic</dt><dd>a two-digit code for the applied R&amp;D industrial classification</dd>
 <dt>scisect</dt><dd>is the firm in the scientific sector ?</dd>
 <dt>capital72</dt><dd>book value of capital in 1972</dd>
 <dt>sumpat</dt><dd>the sum of patents applied for between 1972-1979</dd>
 <dt>rd</dt><dd>R&amp;D spending during the year (in 1972 dollars)</dd>
 <dt>patents</dt><dd>the number of patents applied for during the year that were eventually granted</dd>
 </dl>

Format

Dynamic Relation Between Patents and R\&amp;d — PatentsRDUS

A dataframe containing :<dl class='dl-horizontal'>
 <dt>cusip</dt><dd>compustat's identifying number for the firm</dd>
 <dt>year</dt><dd>year</dd>
 <dt>ardssic</dt><dd>a two-digit code for the applied R&amp;D industrial classification</dd>
 <dt>scisect</dt><dd>is the firm in the scientific sector ?</dd>
 <dt>capital72</dt><dd>book value of capital in 1972</dd>
 <dt>sumpat</dt><dd>the sum of patents applied for between 1972-1979</dd>
 <dt>rd</dt><dd>R&amp;D spending during the year (in 1972 dollars)</dd>
 <dt>patents</dt><dd>the number of patents applied for during the year that were eventually granted</dd>
 </dl>

PatentsRDUS: Dynamic Relation Between Patents and R\&d

Description

Usage

Arguments

Format

References