1. Introduction -- 2. The Informal Sector and Structural Transformation -- 3. The Informal Sector and Rural-to-Urban Migration -- 4. A Test of Two Rival Migration Models -- 5. An Analysis of Rural-to-Rural Migration -- 6. Conclusions.

1. A Survey of the Theoretical Literature on Rural-Urban Migration -- 2. A Model of a Less Developed Country (LDC): The Static Analysis -- 3. A Model of a Less Developed Country: The Dynamic Analysis -- 4. Further Implications -- 5. A Model of Optimal Development with an Informal Sector -- 6. A...