[Limdep Nlogit List] restrictions on coefficients in mixed logit, etc

[Achilleas' Gmail]

Hi, I've noticed the same.

Neither "; CML:"  seems to work with smnlogit. 

Best,
Achilleas Vassilopoulos

-----Original Message-----
From: Limdep <limdep-bounces at mailman.sydney.edu.au> On Behalf Of John C.
Whitehead via Limdep
Sent: Monday, July 6, 2020 17:59
To: Limdep and Nlogit Mailing List <limdep at limdep.itls.usyd.edu.au>
Cc: John C. Whitehead <john.c.whitehead at gmail.com>
Subject: [Limdep Nlogit List] restrictions on coefficients in mixed logit,
etc

Hi all,

I'm having trouble with restrictions on coefficients in all discrete choice
models except the latent class logit.

For example, if I estimate the following model:

lclogit;Lhs=Y;Choices=yes,no;Rhs=x,y,z;pds=3;lcm;pts=2;
rst=b1,b2,b3,0,0,0$

NLogit will constrain the coefficients in the second class to zero.

But, if I estimate the scaled model:

smnlogit;Lhs=Y;Choices=yes,no;Rhs=x,y,z;pds=3;halton;pts=25;
rst=0,b2,b3$

It produces output as if the restriction was not given (i.e., it estimates a
number for b1).

I've searched the manual and it says restrictions should work in these
models (unless I've missed something, I haven't read every word).

Any help would be appreciated!

Thanks,

John Whitehead
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