The belief that both the behavior and outcomes of students are affected by their peers is important in shaping education policy. I analyze two polar education systems -tracking and mixing- and propose several criteria for their comparison. I find that tracking is the system that maximizes...

"Are natural resources a blessing or a curse? Bravo-Ortega and De Gregorio present a model in which natural resources have a positive effect on the level of income and a negative effect on its growth rate. The positive and permanent effect on income implies a welfare gain. There is a growth...

This chapter explores links between national wealth and subjective well-being (SWB) at the macro-level for a sample of 26 OECD countries in 2005. The national wealth data have been developed in the context of the debate on sustainability. They are from two alternative sources. After discussing...