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st: Generating trend on dummies

From   Seema Bhatia <[email protected]>
To   [email protected]
Subject   st: Generating trend on dummies
Date   Wed, 12 Sep 2007 12:00:21 +0100

Hi there

I have fitted a panel Random Effects model for my data over 20 years. I have 
4 dummies within the model in which I would like to see the change over the 
20 years.

My model is a bit like this

All except the gdps population and distance are dummy variables that take 
the value of zero or 1 depending on the whether they belong to a regional 
trade agreement or not

I would like to see how the dummies com, com_1, sadc and sadc_1 have evolved 
over the 20 year period and plot them. I am told that the within equation 
can be used to generate yearly coefficients this. Any ideas on how I can use 
the within estimator to generate yearly coefficients on each of these 

Any help will be much appreciated

Many thanks for your kind consideration


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