This paper examines the consequences of labor immigration in an OLG economy in which agents have an elastic labor supply and differ with respect to degrees of altruism and rates of time preference. It focuses on three substantive questions. First, how do immigrants influence the bequest motive...

Can dynamic inefficiency that may occur in societies populated by non altruistic agents be removed by introducing intergenerational altruism ? Although the answer (see Abel, 1987, AER or Weil, 1987, JME) seems to be negative, this paper shows, by means of a simple example, that the presence of...