OK, so here we have some nice formulas, but what do you intend to do? Evaluate? Simulate?  Maybe a computer algebra system (like maxima) would be more appropriate than gretl which is for econometrics i.e. empirical analysis.

Stefan

Am 09.11.2011 14:45, schrieb Samantha buxton:
Hi

Im trying to do these diffusion models in Gretl and I am unsure of how I would write a script for them.

I have attached a file as they do not want to copy over and it is very diffucult to write them correctly in an e-mail

Thanks

Samantha Buxton


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