Research Unit on the Economics of Excisable Products (REEP), School of Economics, University of Cape Town, Rondebosch, South Africa
Research Unit on the Economics of Excisable Products (REEP), School of Economics, University of Cape Town, Rondebosch, South Africa.
BMJ Open. 2021 Dec 17;11(12):e046279. doi: 10.1136/bmjopen-2020-046279.
To estimate the price elasticity of demand for South Africa and thereby contribute to growing the evidence base of the likely impact of excise taxes on cigarette demand in low-income and middle-income countries.
We employ the Deaton method, using wave 5 data from the South African National Income Dynamics Study, to estimate the cigarette price elasticity for South Africa. We used a sample of 6820 households.
Of the 6 820 households in the sample for which we had sufficient data, 1341 (19.7%) spent money on tobacco. The price elasticity of demand for cigarettes is estimated at -0.86 (95% CI -1.37 to -0.35), implying that the demand for cigarettes in South Africa declines by 8.6% for every 10% increase in price.
The negative price elasticity estimate for South Africa indicates that increases in the excise tax are particularly effective in controlling cigarette consumption. However, given the presence of a significant illicit tobacco market in the country, it is important that authorities augment tax measures with strategies that curb the illicit trade in cigarettes.
估算南非的需求价格弹性,为消费税对低收入和中等收入国家香烟需求可能产生的影响提供更多证据。
我们采用迪顿方法,利用南非国家收入动态研究第五波数据,估算南非的香烟价格弹性。我们使用了 6820 户家庭的样本。
在我们有足够数据的 6820 户样本家庭中,有 1341 户(19.7%)花钱购买烟草。香烟需求的价格弹性估计为-0.86(95%CI-1.37 至-0.35),这意味着南非的香烟需求每增加 10%,价格就会下降 8.6%。
南非的负价格弹性估计表明,提高消费税特别有助于控制香烟消费。然而,鉴于该国存在大量非法烟草市场,当局必须采取遏制香烟非法贸易的策略来补充税收措施。