In this paper, the authors present an infinite-horizon economy where the stock of technological knowledge enhances the productivity of all households. Technological knowledge depends upon public sector investments in R&D. These investments are financed by income taxes. Households in the authors'...

In this paper, we present an overlapping-generations model, where individuals accumulate human capital through formal schooling. We model the role of the public sector in schooling as one of collecting taxes from households and providing inputs to the learning technology. Public expenditures on...