Re: [Gretl-users] Heckit rho
On Tue, 7 Apr 2009, Starr, Brian wrote:
At the bottom of the Heckit output is a “rho” metric. Does anyone know
what it is measuring?
That's the estimated correlation coefficient between the disturbance term
of the main equation and the one of the selection equation. AFAIK, calling
it "rho" is fairly standard, but I may be wrong. Do you find it too cryptic?
Riccardo (Jack) Lucchetti
Dipartimento di Economia
Università Politecnica delle Marche
r.lucchetti(a)univpm.it
http://www.econ.univpm.it/lucchetti