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...

The purpose of this paper is to examine factors that have constrained South Africa''s growth since the end of apartheid by comparing its GDP components and its saving and investment performance with those of 10 faster-growing countries. The study finds that sluggish investment has undermined...

Does the distribution of income within a country become more equal as it grows richer? This paper uses plausibly exogenous variations in trade-weighted world income and international oil price shocks as instruments for within-country variations in countries' real GDP per capita to examine this...