[Limdep Nlogit List] demand function
Alessandro Corsi
alessandro.corsi at unito.it
Tue Apr 21 01:32:38 EST 2009
Philo,
I'm rather skeptical on the possibility to estimate a demand function from a
choice experiment. The experiment typically analyses choices between
discrete alternatives and choices must be mutually exclusive, exhaustive and
in a finite number (Train, 2003). Since quantity and price are functionally
linked, you might consider each quantity/price as a choice, but it seems to
me that this is only possible if the good is discrete and there is a finite
number of price-quantity alternatives. I elaborated on this issue in an
article (European Review of Agricultural Economics, 34(4), 2007: 501-515 -
bear with me for the self-citation). I would be glad if someone finds a
solution to this problem, but as to now I'm not aware of any solution.
Alessandro
____________________________________________
Alessandro Corsi
Dip. di Economia "S. Cognetti de Martiis"
Via Po, 53
10124 Torino (Italy)
Tel. +390116704409
Fax +390112364409
http://www.personalweb.unito.it/alessandro.corsi/
----- Original Message -----
From: <Philomela at gmx.net>
To: <limdep at limdep.itls.usyd.edu.au>
Sent: Monday, April 20, 2009 4:28 PM
Subject: [Limdep Nlogit List] demand function
Dear all,
i have a general question and i hope that someone here can help me. I
conducted a choice experiment and one of my attributes is quantity and one
price. How can i generate a demand function (quantity depending on price)? i
have read some literature on Recreation demand models using two step
approach (first model of site choice, then model for number of trips) but in
my case the decision is made simultanously (in the choice experiment both
are determined, the choice of alternative and the quantity)
I would be grateful for any comment on that!
Thank you,
Philo
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