On the correspondence between individual and aggregate food consumption functions: evidence from the USA and The Netherlands
利用美国和荷兰的家庭预算调查数据，发现家庭食品消费的收入弹性随家庭收入和其他特征变化，且条件方差也依赖收入，这打破了个体与总体消费函数的精确对应关系，并构建了用于预测的简单动态总体模型。
This paper provides evidence from the US and Dutch budget surveys that income elasticity of family food consumption is a function of family income and other observable characteristics of the household. It also finds that the conditional variance of family food consumption depends on family income. This complicated pattern of dependence of family food consumption on income breaks the exact correspondence between the family and the aggregate food consumption functions. Simple dynamic models for aggregate food consumption are developed which are used for forecasting. © 1997 John Wiley & Sons, Ltd.