The paper integrates two mechanisms of economic growth, barriers to international spillovers and skill - biased effects on the income distribution. South Africa is an interestin g case study because of dramatic changes in international barriers over time and policy focus to productivity and...

Empirical evidence about income convergence among regions and countries is inconclusive and it is necessary to clarify the economic and institutional conditions for convergence. We investigate movements in the income distribution among regions in an integrated market with high mobility of labor,...