Heterogeneous monopolists produce goods using either brown technology, which relies on labor and carbon energy, or green technology, which relies solely on labor. R&D firms enhance productivity using labor to outcompete existing monopolists, thereby driving economic growth. The extraction of...

Fertility rates have declined dramatically across almost all highincome countries over the past decades. This has raised concerns about future economic prospects. Indeed, fully- and semi-endogenous growth models imply that a shrinking workforce would lead to declining income growth and perhaps...

History shows militarily dominant states that pursue imperialism, relying on their might to extort resources from weaker states. Occasionally, the latter revolt and the dominant state suffers some casualties. This paper explores imperialism along steady-growth paths. If the dominant state...