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Date:         Wed, 10 Apr 2002 00:12:45 -0700
Reply-To:     "Botelho, Delane" <delane.botelho@MARSHALL.USC.EDU>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Botelho, Delane" <delane.botelho@MARSHALL.USC.EDU>
Subject:      discrete/continuous choice
Content-Type: text/plain; charset="iso-8859-1"

Hi everybody

I need to model the decision on how much to buy (continuous decision) given the choice of the brand (discrete decision), as in Krishnamurthi & Raj "A model of brand choice and purchase quantity price sensitivities". Marketing Science, vol. 7 n. 1 Winter 1988.

This model is called "limited dependent variable with selectivity", as also explained in: Lee, LF (1983). "Generalized econometric models with selectivity," Econometrica 51 (March), 507-512.

I would like to know whether there is a routine in SAS.

Thanks a lot

Delane Botelho PhD student - Marketing


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