Journal article
Food Prices and Consumer Demand: Differences across Income Levels and Ethnic Groups
C Ni Mhurchu, H Eyles, C Schilling, Q Yang, W Kaye-Blake, M Genç, T Blakely
Plos One | PUBLIC LIBRARY SCIENCE | Published : 2013
Abstract
Background:Targeted food pricing policies may improve population diets. To assess their effects on inequalities, it is important to determine responsiveness to price changes across income levels and ethnic groups.Objective:Our goal was to estimate price elasticity (PE) values for major commonly consumed food groups in New Zealand, by income and ethnicity. PE values represent percentage change in demand associated with 1% change in price of that good (own-PE) or another good (cross-PE).Design:We used food expenditure data from national household economic surveys in 2007/08 and 2009/10 and Food Price Index data from 2007 and 2010. Adopting an Almost Ideal Demand System approach, own-PE and cro..
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Funding Acknowledgements
This research was funded by the Health Research Council of New Zealand (10/077). CNM was supported by the National Heart Foundation Senior Fellowship (Grant 1380). HE was supported by a Heart Foundation of New Zealand research fellowship (Grant 1463). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.