c(
person("Rodrigo", "R Remédio", , email = "rremedio@hotmail.com", role = c("aut", "cre")),
person("Paul", "Schrimpf",,, role = "ctb", comment = "panel_lag function")
)
Estimation of production functions by the Olley-Pakes and Levinsohn-Petrin methodologies.
The package aims to reproduce the results obtained with the Stata's user written opreg <http://www.stata-journal.com/article.html?article=st0145> and levpet <http://www.stata-journal.com/article.html?article=st0060> commands.
The first was originally proposed by Olley, G.S. and Pakes, A. (1996) <doi:10.2307/2171831>.
And the second by Levinsohn, J. and Petrin, A. (2003) <doi:10.1111/1467-937X.00246>.
Rodrigo R Remédio [aut, cre],
Paul Schrimpf [ctb] (panel_lag function)

c(person("Rodrigo", "R Remédio", , email = "rremedio@hotmail.com", role = c("aut", "cre")))
Estimation of production functions by the Olley-Pakes, Levinsohn-Petrin and Wooldridge methodologies.
The package aims to reproduce the results obtained with the Stata's user written opreg <http://www.stata-journal.com/article.html?article=st0145> and levpet <http://www.stata-journal.com/article.html?article=st0060> commands.
The first was originally proposed by Olley, G.S. and Pakes, A. (1996) <doi:10.2307/2171831>.
The second by Levinsohn, J. and Petrin, A. (2003) <doi:10.1111/1467-937X.00246>.
And the third by Wooldridge (2009) <doi.org/10.1016/j.econlet.2009.04.026>.
lazyeval, boot, minpack.lm, Formula, gmm

Estimation of production functions by the Olley-Pakes, Levinsohn-Petrin and Wooldridge methodologies.
The package aims to reproduce the results obtained with the Stata's user written opreg <http://www.stata-journal.com/article.html?article=st0145> and levpet <http://www.stata-journal.com/article.html?article=st0060> commands.
The first was originally proposed by Olley, G.S. and Pakes, A. (1996) <doi:10.2307/2171831>.
The second by Levinsohn, J. and Petrin, A. (2003) <doi:10.1111/1467-937X.00246>.
And the third by Wooldridge (2009) <doi:10.1016/j.econlet.2009.04.026>.