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Theses

Une analyse économique des déterminants de la consommation de drogues à l'adolescence

Abstract : This thesis starts with the recognition that, in order to curb drugs use (alcohol, tobacco, cannabis), it is necessary to precisely analyze the determinants of entry into these consumptions, especially during adolescence. The tools provided by the economic analysis allow us to shed new light on these determinants. After presenting an overview of public policies fighting against tobacco and alcohol in France, we articulate our thinking around four main themes. First, we analyze the monetary resources available to the adolescents, and we show that the amount and the origin (pocket money, illegal activity, etc.) of these resources are key determinants of adolescent drugs use. Second, we examine the issue of complementarity and substitution between tobacco and alcohol use. We highlight that a taxation policy on spirits helps reduce both the use of spirits and tobacco for European adolescents, but the results are heterogeneous according to the group of European countries considered. Third, we examine the influence of peer group structure on adolescent's consumption of drugs. We emphasize that adolescent's drugs use positively depends on the number of peers perceived as drug users, and negatively on the size of the peer group, the desire to acquire a higher social status or good relationship with peers. Fourth, we provide a theoretical analysis highlighting that traditional policies based on costs' increase (taxation, consumption restrictions, etc.) face decreasing returns. As a result, considering the benefits of drug use (via pleasure) offers new avenues for reflection for public policies.
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Miléna Spach. Une analyse économique des déterminants de la consommation de drogues à l'adolescence. Economies et finances. Université Panthéon-Sorbonne - Paris I, 2015. Français. ⟨NNT : 2015PA010023⟩. ⟨tel-01865065⟩

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