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Academics to examine impact of sugar tax in Chile

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Academics to examine impact of sugar tax in Chile

Health economists from the University of York are to spearhead a research project in Chile examining the impact a sugar tax has on the health of the population.

Chile is one of a handful of countries that has implemented a price incentive for healthier diets – imposing a five percent tax on sugar sweetened beverages (SSBs), while reducing the tax on what it considers as non-SSBs by two percent. The policy was introduced in the country in September 2014.

A similar sugar tax in Mexico saw consumption fall by six percent after a tax of 10 percent was introduced.

Meanwhile, Chancellor George Osborne unveiled a tax on sugary drinks in his budget last week.

Chile faces a major obesity problem: around two thirds of the adult population are overweight, and of these 27.8 percent are obese.

By comparison just over 62 percent of adults in England are classed as overweight or obese.

The rate of childhood obesity in Chile has also been increasing since 2000, with national statistics revealing an exceptionally high level of SSB consumption – at about 500ml per day on average per child.

Recent research has also shown that Chile has seen the worldwide fastest absolute growth of sales of SSBs from 2009 to 2014.

The researchers will use advanced statistical analysis and modelling to evaluate the impact of the sugar tax – using, among others, household purchasing data sourced from a nationally representative sample in Chile.

Professor Marc Suhrcke, from the University of York’s Centre for Health Economics (CHE), said: “Chile, like many other countries, is facing huge chronic disease related problems, such as obesity and diabetes. So the question is: what can they do about it with limited available resources?

“Introducing a fiscal policy to make unhealthy foods more expensive, should in principle, promote healthier diets and reduce obesity and associated health problems.

“Yet there could also be other effects and unintended consequences – hence it is really important that we evaluate all the information as rigorously as possible.

“This potentially is very significant for other countries desperately looking for evidence of what happens to such policies when implemented in the real world, rather than in a predominantly simulated modelling exercise, which is what much of the previous work has done.”

Professor Suhrcke added: “This is an extremely rare opportunity to evaluate whether this policy has worked over a comparatively short period of time.

“We believe this research will contribute vital evidence, not only to the Chilean government, but also to many other low, middle, and high income countries also facing the challenge of diet-related ill health.”

The three-year project is being run in collaboration with the University of Chile, the Catholic University of Chile, and the University of Santiago, and is funded by the Newton Fund and RCUK-CONICYT partnership.

Interim results from the study are expected in early 2017.

source : University of York

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