Hi All, 

         Could anyone gist me on why Grelt crashes each time I'm estimation via 
a TSLS approach; especially when the endogenous explaining variables exceed 3 
and the instruments >4.
          Thanks



________________________________
Hi All,
         Could anyone gist me on why Grelt crashes each time I'm estimation via a TSLS approach; especially when the endogenous explaining variables exceed 3 and the instruments >4.
          Thanks



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