Dear Statalisters,
I know this question has been adressed before but no one really answered how
to use dummy variables with the xtabond2 command the right way. In xtabond,
there was an option called "diffvars" to prevent Stata from differencing the
concerning variables. In xtabond2 there is a option called "passthru" but
this option only prevents Stata from differencing the instruments (whereas
another question arises, does "passthru" prevent Stata from differencing all
instruments listed after "iv or "gmm"?).
Could someone please comment on it?
Kind regards.
Torge Middendorf
Rheinisch-Westf�lisches Institut f�r Wirtschaftsforschung
Competence Area "Growth and Cycle"
Competence Area "Migration, Integration and Education"
Hohenzollernstra�e 1-3
45145 Essen
germany
Tel.: +49201/8149-297
www.rwi-essen.de
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