Dear all,

I'am using mlogit to test IIA hypothesis. I'get the test statistique who is negative, a p-value of 1, and a text saying that the IIA hypothesis is rejeted. Does a negative value mean that constraint model is more efficient that that the full model ? what to do in this case ?

Sincerly.

 Justin BEM
BP 1917 Yaoundé
Tél (237) 76043774



      
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