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A note on sugar taxes and changes in total calorie consumption

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  • John Creedy

Abstract

This paper demonstrates the potential importance, when considering total calorie intake, of allowing for the substitution effects of imposing a selective tax on a commodity having a high sugar content, when non-taxed commodities exist and also have relatively high calorie content. A framework is presented which allows the elasticity of calorie consumption with respect to a price change to be derived. This brings out the role of relative budget shares, relative calorie content of goods and relative prices to be clearly seen, along with own- and cross-price elasticities. Their absolute values for each commodity group are not required. It is demonstrated that the focus of attention needs to be much wider than a simple concentration on the own-price elasticity of demand for the commodity group for which a sumptuary tax is envisaged.

Suggested Citation

  • John Creedy, 2019. "A note on sugar taxes and changes in total calorie consumption," New Zealand Economic Papers, Taylor & Francis Journals, vol. 53(3), pages 307-314, September.
    • Handle: RePEc:taf:nzecpp:v:53:y:2019:i:3:p:307-314
    DOI: 10.1080/00779954.2018.1516232
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