search for: roodman

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2009 Jan 21
0
trouble switching to 'plm' from 'xtabond' and Stata
...I have been reading "Panel Data Econometrics in R: The plm Package" by Croissant and Millo available at http://cran.r-project.org/web/packages/plm/vignettes/plm.pdf and "How to Do xtabond2: An Introduction to 'Difference' and 'System' GMM in Stata" by David Roodman available at http://www.cgdev.org/content/publications/detail/11619 . Roodman provides a very clear exposition of how to use Stata to analyze the UK Employment Data. I am trying to replicate Roodman's results for the UK Employment data using R instead of Stata but I am having limited su...
2009 Mar 30
0
pgmm (Blundell-Bond) sample needed)
...n this list, here's a brief r?sum? of our rather long private mail exchange of these days, answering to some other pgmm()-related posts which have appeared on this list lately. Sorry for the overlong posting but it might be worth the space. I will refer to the very good Stata tutorial by David Roodman that Ivo himself pointed me to, which gives a nice (and free) theoretical intro as well. Please (the others) find it here: http://repec.org/nasug2006/howtodoxtabond2.cgdev.pdf. As far as textbooks are concerned, Arellano's panel data book (Oxford) is the theoretical reference I would suggest....
2009 Apr 01
0
回复: R-help Digest, Vol 73, Issue 32
...n this list, here's a brief r?sum? of our rather long private mail exchange of these days, answering to some other pgmm()-related posts which have appeared on this list lately. Sorry for the overlong posting but it might be worth the space. I will refer to the very good Stata tutorial by David Roodman that Ivo himself pointed me to, which gives a nice (and free) theoretical intro as well. Please (the others) find it here: http://repec.org/nasug2006/howtodoxtabond2.cgdev.pdf. As far as textbooks are concerned, Arellano's panel data book (Oxford) is the theoretical reference I would suggest....