What is Tobit Multiplicative Heteroscedasticity Regression?

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Jonas Poufoun Ngouhouo

I don't really know, but I faced this issue of inconsistencies of the Tobit under heteroscedasticity in one of my papers. But as the observations I used had a non negligeable share of 0 (Corner solution outcomes), I used a Cragg’s Heterroscadastic Double Hurdle Model to overcome both deficiencies.

Meriam Chuhdary

Mr. Jonas Poufoun Ngouhouo, can you please explain this model?