This paper reports the results of a three-month randomized controlled trial to estimate the impact of an Internet and mobile telephone short message service (SMS) intervention on adolescents' information about substances and rates of consumption. A low percentage of participants logged on to the...

This paper reports the results of a three-month randomized controlled trial to estimate the impact of an Internet and mobile telephone short message service (SMS) intervention on adolescents' information about substances and rates of consumption. A low percentage of participants logged on to the...

This paper reports the results of a three-month randomized controlled trial to estimate the impact of an Internet and mobile telephone short message service (SMS) intervention on adolescents information about substances and rates of consumption. A low percentage of participants logged on to the...

We compute the Gini indexes for income, happiness and various simulated utility levels. Due to decreasing marginal utility of income, happiness inequality should be lower than income inequality. We find that happiness inequality is about half that of income inequality. To compute the utility...

Latin America is a region of sharp inequalities that are far from ethnically blind. In particular, there exists a significant socioeconomic gap between Latin Americans of European and the Afrodescendant and Indigenouos populations. Uruguay has usually been considered an exception to this...

This paper reports the results of a three-month randomized controlled trial to estimate the impact of an Internet and mobile telephone short message service (SMS) intervention on adolescents’ information about substances and rates of consumption. A low percentage of participants logged on to...