Publications

Using a propensity score matching methodology, we study the causal effect of mobile money services adoption on intra-African goods trade. We find that countries that adopted MM register a higher goods trade share in GDP of about 0.6 percent in comparison to non-adopters.

Multiple initiatives across sub-Saharan Africa are currently leveraging digital technologies to provide transformative solutions to micro, small and medium enterprises (MSMEs) as well as consumers across the region. This paper presents a deeper dive on several promising key players currently push…

We estimate the tax burden on the mobile telecommunication sector in twenty-five African countries. This tax burden encompasses not only standard and particular taxes under the control of the Ministry of Finance (MoF), but also fees raised by national telecommunication Regulatory Agency (RA). Giv…

The purpose of this paper is to assess the importance of external shocks relative to internal characteristics in explaining variation of firm growth in developing countries. To do so, we compile firm-level panel data covering 12,562 firms operating in 72 low-income and middle-income countries. Ou…

In a span of fifty years, Mauritius has reached high-income status according to the World Bank criterion. Key to this success was the combination of: (i) effective policies; (ii) resilience to shocks; (iii) adaptation to changing external events cemented by close collaboration between Government,…

The set of measures that affect international trade in goods and services defines trade policy. Trade policies affect trade costs. ‘Good’ trade policy seeks to minimize trade costs. Traditionally trade policy was restricted to measures imposed at the border (tariffs, import quotas, export taxes, …

The aim of this paper is to assess the effectiveness on climate change mitigation of the climate-related commitments contained in PTAs. Because of a lack of availability of detailed data on PTAs, the academic literature on the role of PTAs with environmental provisions (PTAwEP) in global climate …

Ce document, à destination des décideurs français et internationaux, des bailleurs de fonds, des agences d’électrification rurale, des ONG, des entreprises, et de tout autre acteur impliqué dans l’accès à l’énergie, a pour vocation d’éclairer les parties prenantes sur des pistes d’amélioration, d…

We built a database of two samples of patients surveyed within the same regions in rural China over a time interval of 18 years, and presumed varying demand heterogeneity due to income increase and people aging. We find that while the mean price and distance negative effects on patients choice we…