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External Debt, Labour Productivity Growth and Convergence: Evidence from Sub-Saharan Africa

Evelyn Wamboye and Kiril Tochkov

The World Economy, 2015, vol. 38, issue 5, 856-877

Abstract: type="main" xml:id="twec12166-abs-0001">

Sub-Saharan Africa (SSA) has long suffered from lagging productivity and excessive levels of indebtedness. Using both parametric and non-parametric techniques, this paper examines the impact of external debt on labour productivity growth and convergence across SSA economies over the period 1970–2010. The results indicate the presence of debt-overhang effects, regardless of model and sample specification. Debt reduction through the Heavily Indebted Poor Countries and Multilateral Debt Relief initiatives enhanced growth but was not successful in offsetting the debt-overhang effects. Moreover, excessive levels of external debt were responsible for divergence in output per worker over the early 1990s. Although this trend was reversed over the 2000s, reduction in debt through the debt relief initiatives seems to have been insufficient in helping heavily indebted countries in SSA catch up with the labour productivity levels of the best-performing economies in the region.

Date: 2015
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