Over the coming century, computer technology is likely to become capable of reproducing a large portion of the tasks performed by human labor. This paper develops a model of the aggregate economic growth that results when work tasks are transferred from humans to physical capital. The model...

In an influential paper Mankiw, Romer, and Weil (1992) argue that the evidence on the international disparity in levels of per capita income and rates of growth is consistent with a standard Solow model, once it has been augmented to include human capital as an accumulable factor. In a study on...