XTDPDML: Stata module to estimate Dynamic Panel Data Models using Maximum Likelihood

Richard Williams (), Paul Allison and Enrique Moral-Benito
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Richard Williams: University of Notre Dame
Paul Allison: University of Pennsylvania

Statistical Software Components from Boston College Department of Economics

Abstract: Panel data make it possible both to control for unobserved confounders and to include lagged, endogenous regressors. Trying to do both at the same time, however, leads to serious estimation difficulties. In the econometric literature, these problems have been solved by using lagged instrumental variables together with the generalized method of moments (GMM). In Stata, commands such as xtabond and xtdpdsys have been used for these models. xtdpdml addresses the same problems via maximum likelihood estimation implemented with Stata's structural equation modeling (sem) command. The ML (sem) method is substantially more efficient than the GMM method when the normality assumption is met and suffers less from finite sample biases. xtdpdml greatly simplifies the SEM model specification process; makes it possible to test and relax many of the constraints that are typically embodied in dynamic panel models; unlike most related methods, allows for the inclusion of time-invariant variables in the model; takes advantage of Stata's ability to use full information maximum likelihood (FIML) for dealing with missing data; provides an overall goodness of fit measure by default and provides easy access to others; and can also generate code for use with Mplus or lavaan.

Language: Stata
Requires: Stata version 13.1
Keywords: Dynamic panel data models; Structural Equation Modeling; Random and Fixed Effects Models; sem; Mplus (search for similar items in EconPapers)
Date: 2016-08-06, Revised 2019-07-07
Note: This module should be installed from within Stata by typing "ssc install xtdpdml". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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http://fmwww.bc.edu/repec/bocode/x/xtdpdml.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/x/xtdpdml.sthlp help file (text/plain)

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