Results of general equilibrium models are sensitive to model parameterization and specification. The role of macroeconomic closures and the effect of trade elasticities are documented in the literature, but there is no systematic analysis of the implications of different labor supply...

Taxing internationally mobile factors of production has been dismissed as an inefficient means of raising tax revenue. This paper addresses the question of whether it is efficient to tax capital at source when labor markets and the taxation of lumpsum income suffer from imperfections. Four...

Inequality in South Africa is the enduring legacy of racial discrimination. We use a dynamic perspective to show the linkages between persistent effects of discrimination in the labour market and the efficacy of redistributive fiscal policy in reducing inequality. We present a machine-learning...

Technical change impacts both the employment intensity of production and the composition of occupations and skills of employment. Artificial intelligence, automation, and robots are already leading to machines undertaking routinizable tasks previously carried out by workers. This can lead to...