Migration concerns a variety of private and collective choices, which are of immense value to the functioning of the market economy. This book provides theoretical clarification to the issue with special emphasis on the effects of migration of people. Three types of analytical frameworks are used. The Microeconomic Framework is based on a synthesis of the classical models of labour migration and trade policy. The short-run effects of taxation are examined in close scrutiny. The Macroeconomic Framework applies the Neo-Keynesian macroeconomic model to the analysis of factor migration paying...