The wage premium for high-skilled workers in the United States, measured as the ratio of the 90th-to-10th percentiles from the wage distribution, increased by 20 percent from the 1970s to the late 1980s. A large literature has emerged to explain this phenomenon. A leading explanation is that...

Using cross-country data, we review the empirical evidence concerning long-term labor and total factor productivity growth. We find that the conclusions one can draw from cross-country data are surprisingly modest. Nevertheless, we confirm the crucial role for physical capital accumulation in...

This paper examines the economic effects of tax reform in an endogenous growth model that allows for two types of useful public expenditures; one type contributes to human capital information while the other provides direct utility to households. We show that the optimal fiscal policy calls for...