TY - BOOK AU - Hirvonen,Juhani TI - On the use of two stage least squares with principal components: an experiment with a quarterly model SN - 9516860230 AV - HB30HC337.F5 .S95 no. 36 U1 - 330.9'471'03HIR PY - 1975/// CY - Helsinki PB - Bank of Finland KW - Economic History KW - Finland N1 - Translated from the Finnish; Bibliography: p. [47]-49 N2 - Modern macroeconometrics models are made up of dozens or hundreds of different equations ER -