Pope, Rulon D.; LaFrance, Jeffrey T.; Beatty, Timothy K. M. - Econometric Society - 2004
Gorman's class of Engel curve demand models is extended to incomplete demand systems. The Gorman class of aggregable … incomplete demand systems admits any transformation of deflated income. A maximum rank of three for the demand equations is a … corollary of Slutsky symmetry. Models of incomplete demand systems are developed that nest the rank of the demand system and …