Who Pays More for Food?
利用单位价值研究，分析家庭蔬菜支出如何受家庭特征和居住地影响，发现低收入家庭支出更少，但高房价或高贫困率社区的家庭支付更多。
Abstract Building on research with unit values, we demonstrate how a household's per serving and total vegetable expenditures depend on both the characteristics of the household and on its location. The lower a household's income, for example, the lower is vegetable spending, all else constant. However, households living in communities with high real estate prices, or with a high incidence of poverty, among other things, tend to pay more. Simulations further illustrate the effect that a community's characteristics can have on a household's vegetable spending, if the household lives in each of 10 cities in the United States.