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PROF. DR J . 'i INBERGSK

THE HAGUE, 1 Pcbruarj^ 195U
SiQzenlaan M
Mr Mitra.
Institute of Social Studies,
Molenstraat 27,
The _Hag,ue .„ ^,,^ ,_,. _...

Dear Mr Mitra,
May be, that you feel In agreement with one of
the follov/ing possible statements:
1. Professor Hicks in his admirable book on the trade cycles
wrongly bases his model on the acceleration prlnciiile.
2, Professor Tintner in his Econometrics, page 276, wrongly
subjects to statistical test a definition equation - his
equation (k) - of which the coefficients are knowrx a priori.
Yours very sincerely.