Technological progress takes the form of improvements in the quality of an array of intermediate inputs to production. In an equilibrium that is standard in the literature, all research is carried out by outsiders, and success means that the outsider replaces the incumbent as the industry...

We construct a model that combines elements of endogenous growth with the convergence implications of the neoclassical growth model. In the long run the world growth rate is driven by discoveries in those economies that lead in their use of technology. Followers converge towards leaders because...

The neoclassical growth model accords with empirical evidence on convergence if capital is viewed broadly to include human investments, so that diminishing returns to capital set in slowly, and if differences in government policies or other variables create substantial differences in...

The combination of credit constraints and indivisible consumption goods may induce some riskaverse individuals to play lotteries to have a chance of crossing a purchasing threshold. One implication of this is that income effects for individuals who choose to play lotteries are likely to be...

Prices of real and financial assets fell substantially in the UK during 2008-09. The fourth wave of the English Longitudinal Study of Ageing (ELSA) was in the field throughout this 'financial crisis'. We use these data and earlier ELSA waves first to document the effect of the crisis on the...