We assess the long-run growth effects of rising longevity and increasing the retirement age when growth is driven by purposeful research and development. In contrast to economies in which growth depends on learning-by-doing spillovers, raising the retirement age fosters economic growth. How...

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...