Dear all, 
 
I had been using Stata 8.2 and I am now using Stata 10.1. 
There are some commands which don't work with Stata 10.1: 
 
When estimating Difference GMM: 
 
xtabond exp ddpd camb cut quant prec, lags(1) maxldep(2) robust artests(2) 
 
 
When estimating System GMM: 
 
xtabond2 exp l.exp ddpd camb cut quant prec, gmm(exp, lag(2 3)) robust 
 
 
Does anybody know which would be the equivalent commands for Stata 10.1? Thank you very much. 
 
 
Laia  		 	   		  
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