We analyse whether there is a causal relationship between planning suicide and marijuana use among US youths. To that end, we specify a simultaneous probability model which is estimated by maximum likelihood using the YRBS (1999 and 2001). We place emphasis on a number of socio-demographic risk...

En este trabajo analizamos los determinantes del consumo abusivo de alcohol entre los jóvenes españoles. Con este fin, adoptamos un enfoque psicosocial que formulamos empíricamente estimando diversos modelos count data (Poisson, binomial negativo, Poisson con exceso de ceros y binomial...

In this paper we have carried out a quantitative evaluation of the effects of special tobacco tax policies on smokers' health. Specifically, the results show that tobacco taxes would appear to be a useful tool for reducing long cancer mortality related to tobacco consumption. Thus, a 10%...