Luiz Carlos Bresser-Pereira
Revista de Administração de Empresas 7(22), março 1967: 15-35.
An adaptation of Singer's model to middle income countries. The rate of development depends on the velocity the transference of man poer from agriculture to manufacturing. Given product/capital relation of 0.5 for manufacturing and 0.25 for agriculture, and 3% population growth, the investment rate required for a per capita GDP growth of 3% is between 18.2% and 18.8% of GDP.