Publications

This study estimates the price elasticity of mobile voice communication in developed and developing countries using quarterly operator data from 2000 to 2017. Using a dynamic panel model through system-GMM, the study finds that the demand price elasticity is higher for operators in developed coun…

Ce policy brief, tiré d’un article à paraitre, en 2021, dans le “Journal of African economies”, focalise l’attention sur les coûts intérieurs de livraison d’un conteneur importé depuis son arrivée dans un port maritime africain jusqu’à sa destination finale dans un entrepôt de la capitale économi…

For the African continental free trade area to become fully operational, it is essential for the 54 signatory countries to reach agreement on harmonisation of rules of origins – the ‘Made in Africa’ criteria to ensure that only bona fide African products will benefit from tariff concessions. This…

This paper explores the dynamic effects of trade liberalization on tax revenue using a worldwide panel dataset. Results point to statistically significant negative effect of liberalization on (non- resource) tax revenues in the short term and no significant effect in the medium term. Liberalizati…

With a fall of 42% of Foreign Direct investment (FDI) flows worldwide in 2020, the Covid-19 crisis has raised important concerns about the impact of this source of financing on economic growth in Africa, in particular through its effect on national investment. While FDI is often seen as a welcome…

The paper focuses on the factors that determine the supply of RPGs as a way to better understand these implementation gaps, moving away from uniform thinking about regional cooperation and towards one that is more adaptive and “problem driven.” The characteristics of the different aggregator tech…

This paper investigates the impact of domestic fuel price increases on export growth in a sample of 77 developing countries over the period 2000-2014. Using a fixed-effect estimator and the local projection approach, we find that an increase in domestic gasoline or diesel price adversely affects …

Si la crise sanitaire a faiblement impacté l’Afrique, le continent a en revanche subi fortement les conséquences économiques du ralentissement économique mondial. L’Afrique a connu en 2020 sa première récession en 25 ans. Contrairement aux économies occidentales, peu de pays africains ont été en …

Au-delà des déclarations d’intention régulièrement renouvelées à l’occasion des Sommets internationaux, il faut enfin passer à l’échelle pour financer massivement les PME en Afrique, faire émerger un tissu économique puissant d’entreprises privées et ainsi relever le défi d’un meilleur développem…

he increasing concentration of wealth and economic power calls for policy action to tame the rise of “private leviathans”. Rabah Arezki, Asif Islam and Grégoire Rota-Graziosi argue that, following commodity booms, regulation, especially pertaining to competition, is found to limit concentration o…