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Re: st: code for dynamic programming

From   Partho Sarkar <>
Subject   Re: st: code for dynamic programming
Date   Fri, 2 Mar 2012 14:40:42 +0530

Osei, from your post it is not clear to me exactly  what you are
trying to do- I think you would get more help if you explain that
clearly.  Some remarks & suggestions below , for what they are worth:

If it is an exercise in simulating/solving a dynamic programming (DP)
problem  as such (e.g., inter-temporal utility maximization of a
consumer, which is what your post suggests) , then Stata is simply not
the tool for it- Stata is by definition geared toward *statistical*
problems.  Sure, like any statistical package, it uses some
maximization algorithms, e.g., for maximum likelihood estimation, but
these are by their nature specific to that particular class of
problem.  (It might be possible to somehow manipulate   these to told
to solve a DP problem, but it doesn't seem very promising!)

For DP as such, which is a *mathematical/computational* problem, there
are many programs available in other languages/packages- Matlab would
be my first choice (or R or C++ ).  Have a look at (the
Matlab section) -there are many other sources for DP algorithms in
Matlab.  ( It is some time since I have worked on this type of
exercise, so you might find more upto date information. )

On the other hand, if you are trying to *estimate* a dynamic discrete
choice model, then that is a *statistical* problem in which you can
utilize Stata's estimation tools (the key here would be  formulating
the estimation problem/equations properly, and not the algorithm).  I
have no experience of this, but if you search around, I am sure you
will be able to find some sources.  E.g., just at random,I found a
link to this recent paper :

I hope this helps.

Partho Sarkar

From	  Osei Kuffour Wiafe <>
Subject	  st: code for dynamic programming
Date	  Thu, 1 Mar 2012 21:12:16 +1000

Hey guys,

I'm quite new to stata and I need help with coding a backward recursive
problem. It is in the form of the Epstein-Zin utility and similar to the
Bellman equation. I'd appreciate any other dynamic programming code which
would relate to what I am doing. That should give me a clue to finding my
solution. For now I have no idea where to begin!

Hope to get some help from this forum.
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