resolution. We then use the model to quantify the gains from relaxing migration restrictions as well as to describe the evolution … liberalizing migration would increase welfare more than three-fold and would significantly affect the evolution of particular …

. Entrepreneurs decide the number of layers of management and the knowledge and span of control of each agent. As a result, in the … that, as a result of a bilateral trade liberalization, firms that export will increase the number of layers of management …