The Demand for Food Quality in Rural China
指出用单位价值替代市场价格会因家庭食品质量选择而带来偏差，并开发了一个评估框架，应用于中国农村数据后发现收入增加时家庭倾向于消费更高质量的食品，且基本食品对收入的敏感度高于奢侈品。
Abstract Many studies of food demand do not use actual prices but unit values, obtained by dividing expenditures by the quantity consumed. This can bias empirical analyses because unit values are not exogenous market prices; they reflect household food quality choices within each food category. This article develops a framework for assessing the resulting bias in income and price elasticities of demand and applies the framework to data for rural China. Empirical results indicate that households in rural China tend to consume higher‐quality food as income increases, with a greater sensitivity to income for basic foods than for luxury foods.