文章基本信息

标题：The Role of Income in Explaining the Shift from Preserved to Fresh Vegetable Purchases
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作者：Peyton M. Ferrier ; Chen Zhen
期刊名称：Journal of Agricultural and Resource Economics
印刷版ISSN：1068-5502
出版年度：2017
卷号：42
期号：3
页码：329-349
出版社：WAEA
摘要：Between 1991 and 2013, the share of fresh vegetables consumed rose from 47% to 56%. Whilemedian incomes grew 7.9%, the growth was uneven, with negligible growth occurring in thebottom two quintiles. Estimating an EASI demand system for fresh and preserved vegetables thataccounts for corner solutions, we find that income elasticities are larger for fresh vegetables thanfor preserved vegetables for consumers in the top three but not the bottom two income quintiles.Simulations accounting for uneven income growth indicate that income growth accounts for 0.7percentage points of the 9 percentage point increase in fresh share.
关键词：corner solutions; EASI demand; Engel curve; vegetable demand