In many democratic countries immigrants obtain voting rights only after seveal years. This paper provides an explanation for this phenomenon in the framework of a dynamic migration model of two countries (North-South). In this framework individuals differ in their preferences regarding the...

The narrow applicability of Blackwell's result that "more information" is desirable, lies in the fact in economic models once a signal is observed by all economic agents their opportunity sets may vary. We show that Blackwell's theorem does not hold when the feasible set of actions is...