Hey,
I working on a double hurdle model. The first stage is a Probit model 
and the second stage is Tobit due to pile up of zeros. Is there a do 
program that can assist me in this procedure to get the correct standard 
errors accounting for the first stage estimation?
Thank you,
Kirimi
--
*******************************
Imagination is more important than knowledge. 
For while knowledge defines all we currently know and understand, 
imagination points to all we might yet discover and create.
*******************************
Kirimi Sindi
PhD Candidate
Department of Agricultural,
Food, and Resource Economics
Room 20 Cook Hall
Michigan State University
East Lansing,  MI  48824
Telephone: +1-517-353-5320
Home Tel : +1-517-355-8151	
Fax: +1-517-432-1800
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