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Nicotine Tob Res. 2015 May;17(5):592-8. doi: 10.1093/ntr/ntu268. Epub 2014 Dec 28.

Estimating cross-price elasticity of e-cigarettes using a simulated demand procedure.

Author information

University of Canterbury, Department of Psychology, Christchurch, New Zealand;
School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand;
University of Canterbury, Department of Psychology, Christchurch, New Zealand; Health New Zealand, Ltd., Christchurch, New Zealand.



Our goal was to measure the cross-price elasticity of electronic cigarettes (e-cigarettes) and simulated demand for tobacco cigarettes both in the presence and absence of e-cigarette availability.


A sample of New Zealand smokers (N = 210) completed a Cigarette Purchase Task to indicate their demand for tobacco at a range of prices. They sampled an e-cigarette and rated it and their own-brand tobacco for favorability, and indicated how many e-cigarettes and regular cigarettes they would purchase at 0.5×, 1×, and 2× the current market price for regular cigarettes, assuming that the price of e-cigarettes remained constant.


Cross-price elasticity for e-cigarettes was estimated as 0.16, and was significantly positive, indicating that e-cigarettes were partially substitutable for regular cigarettes. Simulated demand for regular cigarettes at current market prices decreased by 42.8% when e-cigarettes were available, and e-cigarettes were rated 81% as favorably as own-brand tobacco. However when cigarettes cost 2× the current market price, significantly more smokers said they would quit (50.2%) if e-cigarettes were not available than if they were available (30.0%).


Results show that e-cigarettes are potentially substitutable for regular cigarettes and their availability will reduce tobacco consumption. However, e-cigarettes may discourage smokers from quitting entirely as cigarette price increases, so policy makers should consider maintaining a constant relative price differential between e-cigarettes and tobacco cigarettes.

[Indexed for MEDLINE]

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