This paper set up some stylized facts related to migration in Brazil. Two important things should be kept in mind: a) the data came from PNAD 2006; and b) the variable migration is defined as an individual that was born in one state but lives in another one. Changes in the definition of the variable...

The preservation of biodiversity is one of the most important matters in environmental economics. But, in general, the relevant trade-offs associated with the preservation option are not well known. The absence of a framework capable of relating theoretical and operational aspects is a...