We offer a new explanation for why taxes have become less redistributive in many countries in parallel with an increase in income concentration. When performance-based contracts are needed to incentivize effort, redistribution through progressive income taxes becomes less precisely targeted....

In this paper we allude to a novel role played by the non-linear income tax system in the presence of adverse selection in the labor market due to asymmetric information between workers and firms. We show that an appropriate choice of the tax schedule enables the government to affect the wage...