Deal All,
Is there any way to implement an sargan test after running reg3 (with
3sls option) as following :
reg3 (lndeptet lnsize nivinst2-nivinst4 oldcm age age_gap tr
tail2-tail5 strate1 strate2 wolof txeff1 ipeup1 ipeup3)
     (sholdinc lndeptet lnsize nivinst2-nivinst4 oldcm age age_gap tr
tail2-tail5 strate1 strate2 wolof) 
     (shfood sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shcloth sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shhealth sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shtransp sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shfurn sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shentert sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shhousing sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shothgs sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shcerem sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2)
     (shenseig sholdinc A4  A5 lnsize shfold shmold shmadult shfkid2
shmkid2 shfkid1 shmkid1 strate1-strate2), 3sls;
where the endogenous variables are : lndeptet, sholdinc, shfood,
shcloth, shhealth, shtransp, shfurn, shentert, shhousing, shothgs,
shcerem, shenseig .
Any insight would be fully appreciated.
Thanks in advance    
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/