Hi Jack,
Thank you so much for your message. It is good to know that I am not the only
one puzzled by these questions/ results.
1- So, you think that from an econometric point of view, it is not wrong to use
only one of those variables in the gmmstyle option.
2- How do you specify the lags if you want to use instruments dated (t-2) only
?.
I d very much appreciate your help.
Dahlia Anwar El- Hawary
Consultant
Financial Sector Operations and Policy Department
World Bank
Tel: 202 473 5238
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