TY - BOOK AU - Challen,D.W. AU - Hagger,A.J. TI - Macroeconometric systems construction: validation and applications SN - 0333348508 : U1 - 330.182 PY - 1983/// CY - London PB - Macmillan KW - Macroeconomics KW - Economics KW - Mathematical models N1 - Includes bibliographical references and index ER -