This paper analyses long-term growth in a closed economy with human as
well as physical capital. The human capital corresponds to general ed
ucation. Private utility maximization determines each child's schoolin
g. Costs of educating a given individual are convex. Although self-sus
taining growth is not possible, steady states with per capita output g
rowing faster than the underlying rate of technological progress do em
erge, and the magnitude of some comparative-static results in increase
d. Section III attempts to pin down the degree of growth-rate amplific
ation implied in practice, concluding with estimates of 30-50 per cent
.