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Problems in ML estimation

PostPosted: Wed Jul 22, 2009 8:22 pm
by George
Dear all,

When estimating a DSGE model using ML estimation I get zero values for the standard deviations of all estimated parameters (and consequently infinitely large t-statistics for all the parameters).

What kind of a problem might this indicate?
How can one deal with this problem in the process of model estimation?

Thanks a lot for all your feedback!

George