Updates from Chicago Booth

Does mandatory health labeling lead to healthier choices?
By Brian Wallheimer – Obesity is a global epidemic, and the large amounts of calories, fat, sugar, and salt in fast-food and packaged products get much of the blame. In response, some countries, including the United States, mandate posting nutritional information on food packaging on the theory that it helps people make healthier choices.

Recent years have seen a new wave of food packaging reforms. One of the heaviest-handed such interventions is a 2016 Chilean law limiting TV advertising for offending foods. The measure also requires manufacturers to affix prominent black stop signs on the front of food packages warning that the contents are “high in sugar,” “high in saturated fats,” “high in salt,” or “high in calories.” The same or similar labels have since been adopted by many countries including Peru, Mexico, and Israel.

As intended, the warning labels suppressed demand for such foods, according to a study of breakfast cereals in Chile by Bar-Ilan University’s Jorge Alé-Chilet and Chicago Booth’s Sarah Moshary. But the labels affected both consumers and food manufacturers, which immediately started tweaking their product formulations to avoid the labeling requirements, the research finds.

Chile’s breakfast cereal purchases total $194 million a year, Alé-Chilet and Moshary note. Just before the law went into effect, about 13 percent of the cereals fell below the cutoff of 350 calories per 100 grams, which meant that the other 87 percent were required to post a high-calorie warning on their packaging, according to the study. Just after, 28 percent of the market squeaked under the cutoff, leaving 72 percent with the package warnings. more>

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