Trade And Regional Inequality

Abstract

This paper examines the relationship between openness and within-country regional inequality across 28 countries over the period 1975-2005, paying special attention to whether increases in global trade affect the developed and developing world differently. Using a combination of static and dynamic panel data analysis, we find that while increases in trade per se do not lead to greater territorial polarization, in combination with certain country-specific conditions, trade has a positive and significant association with regional inequality. In particular, states with higher inter-regional differences in sector endowments, a lower share of government expenditure, and a combination of high internal transaction costs with a higher degree of coincidence between the regional income distribution and regional foreign market access positions have experienced the greatest rise in territorial inequality when exposed to greater trade flows. This means that changes in trade regimes have had a more polarizing effect in low and middle-income countries, whose structural features tend to potentiate the trade effect and whose levels of internal spatial inequality are, on average, significantly higher than in high-income countries.

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