FERDI's work benefits from close collaboration, with the Banque de France, the IMF's Public Finance Department, the International Center for Tax and Development (ICTD), the French General Directorate of Public Finance (DGFIP), and the Centre d'études et de recherches sur le développement international (CERDI).
FERDI's work examines:
At the end of 2018 (June 2019 for the English version), FERDI published a methodological guide on assessment of tax expenditure: Geourjon A-M., Bouterige Y., Caldeira E., Laporte B., de Quatrebarbes C. (2018) "Evaluating Tax Expenditures: From Principles to Practice - A Methodological Guide", FERDI Report, December 2018.
In 2018, FERDI in partnership with CERDI and ICTD, made available the first legal and tax database which lists the tax regime applicable to industrial gold mines in 21 African countries from the 1980s to the present, and a simulation tool for sharing the mineral resource rent between states and investors. https://fiscalite-miniere.ferdi.fr/
FERDI has been mandated by the French Ministry of Europe and Foreign Affairs to support and structure its strategic thinking on the mobilization of public domestic resources in developing countries (MRIP project).
FERDI conducts studies for the West African Economic and Monetary Union (WAEMU) and the Central African Economic and Monetary Community (CEMAC) on the regional harmonization of fiscal policies. In November 2017, FERDI presented its conclusions to the annual meeting of finance ministers of the Franc Zone countries.
FERDI has a detailed database on tax revenues for 41 sub-Saharan African countries for the period 1980-2010.