This chapter examines the policies that have been introduced and proposed in a range of countries. It introduces two groups of nutrition policy intervention tools: information measures and market intervention measures. It discusses different measures like fiscal policies, information and education campaign, restrictions on advertising, legal liability, and reformulation of foods. It presents evidence of effectiveness in research literature. It complements this by using logic to suggest the probable effectiveness of interventions and hypothesize about unintended side-effects. It also offers some insight into smoking policies. The chapter concludes that information measures may be effective in the case of information problems, but behavior does not always change. Behavior is more likely to change in response to market measures which can alter the allocation and consumption between healthy and unhealthy foods.
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