Impact of sugar-sweetened beverage taxes on price, import and sale volumes in an island
Interrupted time series analysis
Bibliographic Data
| ID | 15093853 |
|---|---|
| Authors | Andrea M Teng (0000-0002-6116-3941, University of Otago), Murat Genç (0000-0002-9742-1770, University of Otago), Josephine Herman (0000-0002-0856-7381, Ministry of Health), Louise Signal (0000-0003-4715-6718, University of Otago), Danny Areai (Ministry of Health), Nick Wilson (0000-0001-5250-9894, University of Otago, corresponding author) |
| Year | 2021 |
| Volume | 24 |
| Issue | 7 |
| Pages | 1828-1835 |
| Publication date | 2021-05-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Public Health Nutrition (JOURNAL) |
| Journal identifiers | ISSN: 1368-9800 • E-ISSN: 1475-2727 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/s1368980021000185 |
| PMID | 33455614 |
| OpenAlex | W3121653274 |
| Language | EN |
| Citations received | 3 |
| References cited | 16 |
Objective: To evaluate the impact of changes in import tariffs on sweetened beverages. Design: Interrupted time series analysis was used to examine sweetened beverage tariff increases of 40–60 % in 2008 and to 75 % in 2012, and an approximately 11 % decrease in 2014 when an excise tax replaced the tariff. Post-tax trends were compared with a counterfactual modelled on the pre-tax trend for: quarterly price of an indicator beverage, monthly beverage import volumes (both 2001–2017) and quarterly sales volumes (2012–2017). In a controlled analysis, taxed beverage imports were compared with a sugary snacks control. Setting: Cook Islands. Participants: NA. Results: In the first year, after the 2008 tariff increase the price of the selected indicator soft drink increased by 7·3 % (95 % CI 6·3 %, 8·3 %) but after the 2012 tariff increase it decreased by 13·9 % (95 % CI –14·9 %, –12·8 %). At the same time, the import volumes of taxed beverages decreased by 13·2 % (95 % CI –38·1 %, 17·8 %) and 2·9 % (95 % CI –41·6 %, 72·5 %), respectively, and decreased by 24·8 % (95 % CI –36·9, –9·8) and 10·2 % (95 % CI –37·1, 37·5) in the controlled analysis. After the 2014 tax decrease, the price of the indicator soft drink decreased by 23·6 % (95 % CI –26·0 %, –21·1 %), sweetened beverage imports increased by 4·5 % (95 % CI –39·5 %, 156·0 %) and sales of full-sugar soft drinks increased by 31 % (95 % CI –21 %, 243 %). Conclusions: The increased import tariffs on sweetened beverages appeared to be effective for reducing import volumes, but this was partly reversed by the reduced tax/tariff in 2014
Agricultural economics · Business · Economics · Excise · International economics · Interrupted time series · Soft drink · Sugar · Tariff · Chemistry · Global Public Health Policies and Epidemiology · Medicine · Nutritional Studies and Diet · Obesity, Physical Activity, Diet · Food Science
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| Unique citing works | 3 |
|---|---|
| Citations per year | 0.75 |
| Citation span | 2022 - 2025 (4) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 3 |