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simulated moments for bkk example

PostPosted: Fri May 20, 2016 5:43 am
by tonyxia324
Hi all,

I'm running the bkk example and there's something that I find really weird.
The countries in the mod file seem to be symmetric. When I calculate the empirical moments using periods ranging from 10000-100000, the moments for the home variables and foreign variables are always a little different (usually the difference is around 10^-4). I had suspected that the correlation between the two shocks might be the cause, but making the correlation 0 still give different moments between the home and foreign variables. I wonder if this is just because the empirical moments are not precise enough due to limited number of periods in the simulation? I really appreciate your help!

Re: simulated moments for bkk example

PostPosted: Fri May 20, 2016 12:22 pm
by jpfeifer
You can trace this out by setting the correlation to 0 and looking at theoretical moments (periods=0). It should be symmetric and therefore only due to random chatter. If not, please report back