st: Checking Tobit Normality Assumption

["Anthony T. Milanowski" <amilanow@facstaff.wisc.edu>]

Has anyone developed a procedure in STATA to check the normality assumption 
when using the Tobit model?  I am aware of a rather elaborate procedure in 
LIMDEP,  but I don't have that package.

I have survey data on the annual salary that respondents would require to 
make a certain career choice. The data is both top and bottom censored. I 
know I could also analyze this data using oprobit, but I'd like to keep the 
more natural interpretation allowed by the Tobit coefficients for my 
application.

Much thanks for any suggestions.

	- Tony Milanowski
	  Associate Researcher
            Wisconsin Center for Education Research

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