In a haystack-type representation of a heterogeneous population that is evolving according to a payoff structure of a prisoner’s dilemma game, migration is modeled as a process of “swapping” individuals between heterogeneous groups of constant size after a random allocation fills the...

Quite often, migrants appear to exert little effort to absorb the mainstream culture and to learn the language of their host society, even though the economic returns (increased productivity and enhanced earnings) to assimilation are high. We show that when interpersonal comparisons affect...

This paper develops a model of voluntary migration into degrading work. The essence of the model is a tension between two “bads” that which arises from being relatively deprived at home, and that which arises from engaging in humiliating work away from home. Balancing between these two...