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Price and income elasticities for alcohol in Sri Lanka

机译:斯里兰卡酒精的价格和收入弹性

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Aims: ?To study the effect of changes in income as well as prices of beer and arrack, on alcohol sales in Sri Lanka during the period 1981–2017. Design:? The analyses were conducted by means of ARIMA time series analysis for arrack and beer separately. Measures: Yearly data on the sales of beer and arrack in the entire country were used. National GDP figures were used as a proxy measure of income, and yearly price data for arrack and beer were from Colombo, the largest metropolitan area in the country. Results:? No short-term effects of changes in price or income were found on sales. However, changes in the price of beer were significant, with a lag structure, which implies a delayed effect of price changes on the sales of beer. A significant cross-price effect of changes in the price of beer on arrack sales was found as well. Conclusions:? Sales of alcohol in Sri Lanka are not affected by price changes to the same extent as in high income countries. Most likely, the explanations will be found in the different drinking cultures between Sri Lanka and these countries.
机译:目的是:研究收入变化以及啤酒和arrack价格的影响,在1981 - 2017年期间斯里兰卡的酒精销售。设计:?通过分别通过Arima时间序列分析进行Arima时间序列分析进行分析。措施:使用全国各国啤酒和arrack销售的年度数据。全国GDP数据被用来作为收入的替代指标,并且是从科伦坡,在全国最大的都市区烧酒和啤酒每年的价格数据。结果:?在销售中没有发现价格或收入变化的短期影响。然而,啤酒价格的变化具有重要意义,具有滞后结构,这意味着价格变化对啤酒销售的延迟影响。发现了对啤酒价格的变化进行了重大次价效应。结论:斯里兰卡的酒精销售不受价格变化的影响与高收入国家相同。最有可能的是,解释将在斯里兰卡和这些国家之间的不同饮酒文化中找到。

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