panel_lag

A vector, data.frame, tibble or matrix.

A character with the name of the indicator variable.

A character with the name of the time variable.

time

Check if panel is sorted by id and time variables.

verify

This function aims create the lags of a specified variable from panel data.

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>.

panel_lag: Panel data lag function

Description

Usage

Arguments