extracted text

The Hague, March 15, 1978

Prof. Antonio Mara Costa, Chairman
Journal of Policy Modeling,
P.O.Box 3299, Grand Central Station
Hew York. N.Y. 10017

Dear Professor Costa,
Thank you for yours of March 9. I am
impressed with the titles of articles already
accepted and for the time being have no
comments to offer. I will inform you ahout
possible queries that may come up after I
have seen the first issue.
Occasionally you may also X'^ant to ask
my advise on questions you want to raise yourself.
With best personal regards.

Yours sincerely,

J. Tinbergen

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