大麻需求的价格弹性：加拿大不列颠哥伦比亚省管制大麻市场合法化后的估计

IF 4.4 2区医学 Q1 SUBSTANCE ABUSE

International Journal of Drug Policy Pub Date : 2025-05-16 DOI:10.1016/j.drugpo.2025.104838

Taylor Dodd , Timio Colistro , Myles A. Maillet

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引用次数: 0

摘要

2018年，加拿大将成人非医疗用途大麻合法化，从而改变了消费者购买大麻的方式和地点。自大麻合法化以来，价格持续下降，受管制的经营者和非法经营者之间的竞争也在持续。鉴于这些条件，本研究的目的是估计管制大麻需求的价格弹性。方法数据为2022年6月至2024年5月bc省大麻批发商每月产品级批发销售额。我们使用普通最小二乘回归估计了不列颠哥伦比亚省受管制大麻需求的价格弹性，并对供应侧和需求侧因素进行了固定效应和控制，包括品牌、时间、销售给产品的零售商数量以及四氢大麻酚和CBD含量。结果受管制大麻的需求具有价格弹性。具体来说，在研究期间，受管制的大麻价格下降10%，不列颠哥伦比亚省购买的大麻数量增加14%。尽管大麻合法化前的研究已经观察到大麻的价格无弹性需求，但本研究提供了加拿大管制大麻合法化后的第一个估计。卑诗省受管制大麻的价格弹性需求可能源于受管制和非法大麻生产商和零售商之间的竞争，以及一些消费者愿意根据价格在这些来源之间进行替代。这些调查结果进一步深入了解了非法大麻市场的持续流失以及与受管制大麻企业定价和税收相关的挑战。

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Price elasticity of demand for cannabis: post-legalization estimates of the regulated cannabis market in British Columbia, Canada

Background

Cannabis was legalized in Canada for adult non-medical use in 2018, thereby changing how and where consumers buy cannabis. Prices have continued to decrease since legalization, and there is ongoing competition between regulated and illicit operators. Given these conditions, the aim of this study was to estimate the price elasticity of demand for regulated cannabis.

Methods

Data were monthly product-level wholesale sales from June 2022 to May 2024 from B.C.’s provincial cannabis wholesaler. We estimated price elasticity of demand for regulated cannabis in B.C. using ordinary least squares regression with fixed effects and controls for supply-side and demand-side factors, including brand, time, number of retailers a product was sold to, and THC and CBD content.

Results

Demand for regulated cannabis was found to be price elastic. Specifically, a 10 percent decrease in regulated cannabis price was associated with a 14 percent increase in the quantity of cannabis purchased in B.C. during the study period.

Conclusion

Although pre-legalization studies have observed price inelastic demand for cannabis, this study provides the first post-legalization estimate for regulated cannabis in Canada. Price elastic demand for regulated cannabis in B.C. may result from competition between regulated and illicit cannabis producers and retailers, and the willingness of some consumers to substitute between these sources based on price. These findings provide further insight into the continued displacement of the illicit cannabis market and challenges associated with pricing and taxation for regulated cannabis businesses.

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来源期刊

International Journal of Drug Policy SUBSTANCE ABUSE-

CiteScore

7.80

自引率

11.40%

发文量

307

审稿时长

62 days

期刊介绍： The International Journal of Drug Policy provides a forum for the dissemination of current research, reviews, debate, and critical analysis on drug use and drug policy in a global context. It seeks to publish material on the social, political, legal, and health contexts of psychoactive substance use, both licit and illicit. The journal is particularly concerned to explore the effects of drug policy and practice on drug-using behaviour and its health and social consequences. It is the policy of the journal to represent a wide range of material on drug-related matters from around the world.