What happened when Mexico passed a soda tax that was equivalent to a 10% price increase?

Question

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The greatest decrease in consumption occurred in the most vulnerable, low-income households. This is supported by a study conducted by Mexico's National Institute of Public Health, which found that low-income households reduced their purchases of sugary drinks by an average of 9.7% in the first year after the tax was implemented. This suggests that the tax was successful in reducing the consumption of sugary drinks among those who are most at risk for obesity and related health problems.

What Happened When Mexico Passed a Soda Tax That Was