We analyze the di fferential growth e ffects of basic research, applied research, and embodied human capital accumulation in an R&D-based growth model with endogenous fertility and endogenous education. In line with the empirical evidence, our model allows for i) a negative association between...

The determinants of the direction of technical change and the implications for economic growth are studied in the one-sector neoclassical growth model of Ramsey (1928), Cass (1965), and Koopmans (1965) extended to allow for endogenous capital- and labor-augmenting technical change. For this...

We study economic growth and pollution control in a model with endogenous rate and direction of technical change. Economic growth (growth of real GDP) results from growth in the quantity and productivity of polluting intermediates. Pollution can be controlled by reducing the pollution intensity...