[R] reduced set of alternatives in package mlogit

Jose Marcos Ferraro jose.ferraro at LOGITeng.com
Thu Mar 31 23:51:15 CEST 2016

I'm trying to estimate a multinomial logit model  but in some choices only alternatives from a subset of all possible alternatives can be chosen.
At the moment I get around it by creating "dummy" variables to mean the alternative is not available and let it estimate this coefficient as highly negative. Is there a better way to do it?

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