We study an optimal growth model with one-hoss-shay vintage capital, where labor resources can be allocated freely either to production, technology adoption or capital maintenance. Technological progress is partly embodied. Adoption labor increases the level of embodied technical progress....

This survey of economic growth theory applied to epidemiology highlights that Blanchard-Yaari structures involving a Lucas human capital accumulation are appropriate to study an AIDS-like crisis. Physical capital accumulation, schooling, health expenditures and supply effects are put together...

We construct a two-sector vintage capital model with neutral and investment-specific technical progress and variable utilization of each vintage. The lifetime of capital goods is endogenous and it relies on the associated maintenance costs. First, we show that the lifetime of capital is an...