in my models, if i use GED for the distribution the results come back fine. however in some cases i cant remove the autocorrelation or ARCH effects.
they remove however if i change to student t or normal distribution. however, are the results in valid if for one index or subperiod it is normally distributed and another it is student t / GED? should i keep the distribution consistent or does it matter?
For econometric discussions not necessarily related to EViews.
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