This paper investigates how heterogeneity in contestants’ investment costs affects the competition intensity in a …

that the Friedman rule is not in general optimal. The results are due to the existence of another source of heterogeneity … hold even in the presence of a general income tax and preferences that are separable in labor supply and goods. If … differences in earning ability were the only source of heterogeneity, the fiscal authority would be able to neutralize the effects …

output in a market, and allocate it to consumption and investment. The economy should experience a constant and positive rate … treatment with a better technology exhibits higher growth. Remarkably, production, consumption and the capital stock grow at the …

adults. We complement these estimates with local linear regressions of the child care effects by family income. Our findings …, and that children of low income parents seem to be the primary beneficiaries of subsidized child care. These findings are …

In this paper we perform an empirical analysis to investigate the impact of socio-economic heterogeneity on electoral … precinct-specific fixed effects, we find that electoral turnout is not affected by income inequality. We also document a … results suggest that increased ethnic heterogeneity and reduced social pressure tend to depress turnout. …