Hello,
I suspect there would endogeneity between "ad" and "roa". I want to test for
endogeneity and perform a 2SLS to get valid estimates. Apparently, the
following commands should work, but Stata generates an error. Can you tell
me what is wrong with my syntax?
ivreg ad pse bonus leverage roa pricebook beta lnsize blockown (roa = pse
bonus leverage pricebook beta lnsize ); hausman, save;
regress ad pse bonus leverage roa pricebook beta lnsize blockown; hausman,
constant sigmamore;
Thanks,
Claude
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