Public investment efficiency in WAEMU zone: do financing sources matter?

Moulaye Bamba and Juste Somé

International Journal of Development Issues, 2022, vol. 22, issue 1, 123-139

Abstract: Purpose - This paper aims to assess the efficiency of public investment in West African Economic and Monetary Union (WAEMU) countries at both the global and sectoral level over the 2005–2015 period. Design/methodology/approach - This paper estimates efficiency scores using stochastic frontier analysis (SFA) models. Efficiency is divided into managerial efficiency (related to inputs management) and technological efficiency (related to production technology). A Tobit model is then used to investigate the determinants of public investment efficiency. Findings - The findings suggest that, at the global level, WAEMU countries are less efficient than sub-Saharan African and Asian reference countries. However, the breakdown of global efficiency into managerial and technological reveals that WAEMU countries are more efficient than sub-Saharan African countries in terms of technological efficiency. Moreover, these findings are robust to nonparametric estimation. The assessment of financing sources indicates that external debt has a more positive and significant effect on public investment efficiency than internal debt does. Originality/value - This paper is unique in that it disentangles managerial efficiency from the technological efficiency of public investment in WEAMU countries and highlights how financing sources of investment affect its efficiency. In terms of policy implications, the underlying message of the results is that the rules and conditions of domestic or regional debt in the WAEMU countries must be strengthened to ensure better monitoring and then better efficiency of these resources.

Keywords: Public investment; Efficiency; Financing sources; Debt; Government spending; WAEMU (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eme:ijdipp:ijdi-07-2022-0148

DOI: 10.1108/IJDI-07-2022-0148

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