Investigating Income Effects in Scanner Data: Do Gasoline Prices Affect Grocery Purchases?
利用扫描数据研究汽油价格变化对食品杂货购买行为的影响，检验收入效应在消费决策中的作用。
Investigating Income Effects in Scanner Data: Do Gasoline Prices Affect Grocery Purchases? by Dora Gicheva, Justine Hastings and Sofia Villas-Boas. Published in volume 100, issue 2, pages 480-84 of American Economic Review, May 2010