El presente documento analiza la evolución del consumo de drogas en Colombia durante los últimos años. El análisis, realizado con base en las encuestas de la Dirección Nacional de Estupefacientes, muestra que el consumo de drogas creció de manera sustancial entre 1996 y 2008. El...

Utilizando datos a nivel de hogares de la Encuesta de Ingresos y Gastos2006-2007, estimamos cuatro diferentes especificaciones de sistemasde demanda para Colombia, a saber, el sistema lineal de gastos (les),el sistema lineal de gastos extendido (eles), el sistema cuasi ideal dedemanda (aids) y...

El establecimiento de tarifas de entrada a parques, no sólo representa una estrategia para la conservación ambiental de zonas protegidas, sino que también facilita su autofinanciamiento. Pero, ¿cuál tarifa debería imponerse a una comunidad local, que se enfrenta a una variedad de sitios...

Resumen: en este trabajo estamos interesados en estimar curvas de Engel para diferentes rubros de gasto en salud, incluida la salud como un todo. Para llevar a cabo este objetivo, usamos información contenida en la Encuesta de Calidad de Vida de 1997. La técnica usada aquí está basada en...

In this paper the most relevant results obtained in a survey conducted by 300 users of the "Pablo de Olavide" Seville metro stop are presented. The aim of the paper is twofold. On the one hand, the user profile is analysed: motivations for using the subway, intermodality and flows, whereas, on...

During the 2000s, recurrent food price shocks due to volatility in international markets and extreme weather events affected consumption and nutritional patterns of Mexican urban households. This research quantifies the impacts of food price shocks on the purchase of nutrients and on the weight...

Research has established that health status is affected not only by medical factors but also by socioeconomic variables. In this paper we analyze the links between health status (measured by self-reported illness occurrence in the last 12 months) and individuals’ socioeconomic situation. Using...

In this paper we analyze the links between health status (measured by selfreported illness occurrence) and individuals' socioeconomic situation. Using the annual households surveys of Uruguay for the period 1991 to 2000, we compute probit models and find that men, unmarried, young people,...

This article is the first one to use individual data to analyze the demand for AFP in Chile. This study implements panel data techniques which allow us to estimate the switch probability of an AFP customer. Results confirm the fundamental role of sales agents, which was already suggested by...

This paper introduces the use of graphs in the analysis of the determinants of tourists' expenditure, providing an alternative approach to the methods usually employed. Graph-based analysis is applied to study the behavior of cruise passengers arriving at the ports of Montevideo and Punta del...