This paper considers the performance of a model of mixture normal distributions for dichotomous choice contingent valuation data, which allows the researcher to consider unobserved heterogeneity across the sample. The model is flexible and approaches a semi-parametric model, since any empirical...

In this study, the neoclassic approach in the analysis of the migratory movements is taken into a account as a reference to analize some of the variables that determine the volume of immigration in the Canary Islands. A system of structural equations is used as a method. This is a model of...