Linear household technologies
讨论、估计并比较了将人口统计学变量纳入完整需求系统的几种方法，使用意大利1973-1992年家庭预算数据，发现即使最一般的家庭技术也无法完全捕捉数据中的行为异质性。
This paper discusses, estimates and formally compares the best known procedures for incorporating demographic variables into complete demand systems. In particular, a class of general procedures belonging to Gorman's family of 'general linear household technologies' is introduced. Estimation and comparison of different procedures make use of Italian household budget data for the years 1973–1992, incorporating a single demographic variable (family size) into a Generalized Quadratic Almost Ideal Demand System. In our empirical example, however, even the most general household technologies are unable to fully capture the behavioural heterogeneity shown by the data. Copyright © 2000 John Wiley & Sons, Ltd.