It is well known that the performance of simple models of economic growth improves substantially through the introduction of subsistence consumption. How to compute subsistence needs, however, is a difficult and controversially discussed issue. Here, I reconsider the linear (Ak) growth model...

Empirically there is a strong inverse association between population density and body size. It holds in human societies at different levels of economic development; in biology it is known as "Damuth's law", with bearing on all mammalian species. Yet this intriguing trade-off between size and...

Macroeconomic studies of tax policy in dynamic general equilibrium usually assume that reforms hit the economy unexpectedly and last forever. Here, we explore how previous results change when we allow policy changes to be pre-announced and of finite duration and when these facts are anticipated...