Empirical evidence has recently pointed to the lack of any relationship between R&D intensity (variously defined and measured) and economic growth in the post-war period in the United States and other OECD countries. Using a framework that integrates human capital accumulation and purposive...

This paper offers an alternative way, based on the logistic population growth hypothesis, to yield transitional dynamics in the standard AK model with exogenous savings rate. Within this framework, we show that the dynamics of the capital stock per person and its growth rate can be non-monotonic...

This paper analyzes how population and product market competition (PMC) interact with each other in affecting productivity growth. We find that only a fully endogenous growth model with purposeful investment in human capital, an input in the production of intermediate goods, can simultaneously...

This paper examines two possible sources of interaction between private capital and productive public expenditure within an endogenous growth model. On the one hand, public investment and private capital are complementary with each other in the production of goods. On the other, they can be...