"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...

"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...