Wellington (2 February 2018): A review of sugar taxes commissioned from NZIER by the Ministry of Health, released this week under the Official Information Act, finds that sugar taxes are unlikely to improve health outcomes. The report finds that: “No study based on actual experience with sugar taxes has identified an impact on health outcomes.” “Studies using sound methods report reductions in [sugar] intake that are likely too small to generate health benefits and could easily be cancelled out by substitution of other sources of sugar or calories.” Earlier studies significantly overestimate the effect of sugar taxes on sugar consumption due to “fundamental methodological flaws,” and these estimates have contaminated later modelling trying to assess the health benefits of sugar taxes. Read more