"The authors develop an endogenous growth model that combines structural change with repeated product improvement. That is, the technologies in one sector of the model become not only increasingly capital-intensive, but also progressively productive over time. Application of the basic model to...

"The process of development is full of uncertainties, especially if it is a process of transition from a planned economy to a market oriented one. Because of uncertainties and country specificity, development must be a process of learning, selective adaptation, and industrial upgrading. This...