TY - BOOK AU - J. Wales, Terence AU - Pollak, Robert A TI - Demand system specification and estimation SN - 9780195101218 U1 - 338.5212 POL PY - 1995/// CY - New York PB - [publisher not identified] KW - Consumer Mathemathical Models KW - Demand function ( Economic theory) KW - Motivation reserach (marketing) N1 - Includes index ER -