Contract with the "Conseil de Prélèvements Obligatoires"and the Cour des Comptes: drafting of the report on "France in international tax competition" (2016).
Contract with the World Bank on decentralisation processes in Countries in sub-Saharan African countries with low population density and conflict situations (2014).
Project funded by the Swiss National Science Foundation (SNSF) entitled "Fiscal decentralization and Public Private Partnerships: A means of improving efficiency in the delivery of public goods and services?" (2011-2015).
Contract with the World Bank for a legal Analysis of decentralization laws in Cameroon" (2012).
Project for the "Agence Française de Dévéloppement (French Agency for Development) intitled "L'économie politique de la décentralisation dans quatre pays d'Afrique sub-saharienne" (2009-2011).
Direction of a report on patent markets, Conseil d'Analyse Economique, Premier Minister (2006-2007).
Direction of a report on innovation and regional competitiveness, Conseil d'Analyse Economique, Premier Minister (2006-2007).
Member of the (French Council of Economic Analysis) (CAE), report on the market for patents (2009-2010).
Member of the "Growth and Taxation" working group of the Conseil d'Analyse Economique (CAE) reporting to the Prime Minister (2004-2005).
Scientific leader of a research contract involving the Direction de la prévision (Ministry of Economy and Finance, France), the University of Rennes I and the CNRS on the theme "Do local authorities' tax choices result from strategic behavior? An econometric study" (2003-2004).
Swisscom contract: is there an optimal exchange rate for international price comparisons in the telecommunications sector? Report for Swisscom (2004).
Participation in the work of the "Competitivité de la France" Working group of rhe Conseil d'Analyse Economique (CAE), and drafting of two supplements to this report on tax competitveness issues (2002-2003).
Coordination of a research contract for the Direction de la prévision (convention n°02-10-010) on the theme of "local corporate taxation and tax interactions between local authorities" 130 pages (2002).
Collaboration with the OFCE Research Department on a study of tax competition in Europe, carried out for the French Senate Finance Comitteee (January 1998 - June 1999).
Coordinated work with Réjane Hugounenq under the direction of Jacques Le Cacheux. Presentation of the 234 pages report to the Finance Commitee on June 2, 1999. Published in Rapports du Sénat in July 1999.
(1990) "L'action des fonds interministériels de développement en zone de montagne : étude de cohérence", Département des Etudes Economiques et Financières, Trésorerie générale de Midi-Pyrénées. Study commissioned by the Regional Paymaster General for the Pyrenées Administrative Conference, 150 pages (internal document, unpublished).
Member of a working group "Compétitivité de la France" of the French Council of Economic Analysis and redaction of two supplements to the working group's report on questions of tax competitivity (2002-2003).
Coordination et participation on a research contract with the "Direction de la prévision" (convention n° 02-10-010) on the "imposition locale des entreprises et interactions fiscales entre collectivités locales", 130 pages (2002).
Collaboration with the Observatoire Français des Conjonctures Economiques (OFCE) on a study on tax competition in Europe, produced for the French Senate's Finance Commission. Coordinated with Réjane Hugounenq under the leadership of Jacques Le Cacheux. Presentation of the report (234 pages) to the Finance Commission on the 2nd of June 1999. Report published in the "Rapports du Sénat" in July 1999.
"L'action des fonds interministriériels de développement en zone de montagne: étude de cohérence", Study for the department of Studies in Economics and Finance of the Treasury of the region Midi-Pyrénées, 150 pages (unpublished internal document) (1990).