We analyze the optimal nonlinear income tax schedule for taxpayers with multiple incomes and multiple unobserved characteristics. We identify smoothness assumptions and extensions of the single crossing conditions that enable the characterization of the optimum through variational calculus. Both...

The present research extends the extant literature by investigating the hypothesis on whether marriage can be a substitute for financial inclusion in energy poverty reduction in Ghana. Pooled data and two stage least squares techniques are used in the estimation process and the validity of the...

This study investigates the long-term effect of the density of the elite - the highest educated - during the period 1075-1919 on today's educational attainment and economic performance in Vietnam. Using nearly 20,000 elites, including 17,061 junior bachelors and bachelors, and 2,895 doctors who...