This paper examines two issues associated with the impact of migration on household income and poverty. First, existing studies have typically overlooked a feature of migration that should be taken into account in estimating its impact, namely the fact that migration changes the size of the...

Generalmente se acepta que los mercados que funcionan con expectativas del tipo “telaraña” son ineficientes y que agentes con expectativas correctas podrían explotar esta ineficiencia ya sea a través de convertirse en productores del bien en cuestión o vendiendo las predicciones propias...

The object of this paper is to shed additional light on the much debated issue as to whether futures prices accurately forecast future spot prices or not. In other words, the question is whether or not futures prices incorporate a risk premium. If they do