Publications of the Chair

The Financial Performance of Solidarity-based Investment Funds

2025
Authors :
Philippe Devin

This article examines the financial performance of French solidarity-based investment funds, also known as "90-10 funds", which combine 90% responsible listed assets and 10% solidarity assets from Social and Solidarity Economy (SSE) enterprises. 

The regulation of the corporate welfare policy. Evidence from France

2025
Authors :
Samuel Klebaner

The aim of this article is to demonstrate that the “Corporate Welfare” policies are embedded in a complex, dynamic and unstable mode of regulation.

Development of Hydrogen Valleys: Defining a Merit-order of End-uses

2025
Authors :
Albin Kasser, Maryam Sadighi

Hydrogen valleys, which integrate renewable energy sources, hydrogen infrastructure, and end-use applications, play a crucial role in decarbonizing industrial energy hubs. However, the large-scale deployment of hydrogen is constrained by limited renewable electricity availability and high technology costs. A key insight from our analysis is that the merit order of hydrogen end-uses is dynamic, evolving...

Cattle diet and the carbon footprint of beef: a meta-analysis

2025
Authors :
Maxence Gérard

Grass-based beef cattle production systems are generally perceived as beneficial to the environment. However, the climate impact of grass-based systems compared to systems based on energy-dense feeds remains controversial. The findings highlight potential trade-offs between climate goals and other sustainability objectives (e.g., biodiversity, animal welfare).

Evaluating second-hand EVs subsidies Efficiency and Welfare Gains

2025
Authors :
Ariane Bousquet, Juan-Pablo Montero, Maria-Eugenia Sanin

The recent inclusion of second-hand EV subsidies in several countries raises questions about their economic rationale. Contrary to conventional thinking, we show that while subsidies for second-hand EVs are often justified on equity grounds, they also improve efficiency as they influence the equilibrium composition of the vehicle fleet.

Warning words in a warming world: central bank communication and climate change

2025
Authors :
Emanuele Campiglio, Jérôme Deyris, Davide Romelli, Ginevra Scalisi

This paper studies climate-related central bank communication using a novel dataset containing 35,487 speeches delivered by 131 central banks from 1986 to 2023. It employs natural language processing techniques to identify and trace the evolution of key climate-related narratives centred around (i) green finance, and (ii) climate-related financial risks. Equity returns of "green" firms outperform those of "dirty" firms...

Energy Poverty has a justice dimension: comparing Bolivia, Côte d’Ivoire, and France

2024
Authors :
Anna Creti, Alpha Ly et Maria-Eugenia Sanin.

Energy poverty is a multidimensional issue, as demonstrated by a comparison between two low-income countries, Bolivia (BOL) and Côte d’Ivoire (CIV), and a high-income European country, France (FRA). These three countries represent different stages of access and energy poverty. The findings highlight the importance of considering affordability in efforts to ensure universal energy access, to...

Ecological policy mix: the SDSN France report

2025
Authors :
Aubert, N., Couppey-Soubeyran, J., Didier, R., Dufrêne, N., Hollandts, X., Lagoarde-Ségot, 1 T., Le Quang, G., Le Poder, L., Massa, I., Mathieu, A., Peters, A., Ponsot, J.F., Revelli, C., Scialom, L., Sersiron, A., Toure, S., Van Weeren, M.

The report attempts to respond to the UN Secretary-General's recent call for "innovative approaches and bold policy decisions" to tackle the SDGs (UN, 2023). It attributes the existing finance gap to the unrealistic assumptions of the dominant macroeconomic paradigm, which it proposes to replace with new assumptions that are better able to address the...

What policy mix for the ecological transition?

2024
Authors :
Esther Jeffers, Dominique Plihon

This article looks at how to make fiscal, monetary and prudential policies greener in order to address the massive financing needs and major risks associated with climate change.

Starting with the observation, based on the recent experience of the financial and health crises, that the separate and independent implementation of monetary and fiscal policies undermines...

Subsidies and rebound effect with incomplete carbon pricing: an application to biogas

2024
Authors :
Victor Besnier, Guy Meunier

Bioenergies from dedicated crops or wood have faced substantial criticisms due to their significant land requirements. Certain bioenergy pathways, such as biogas generated from crop residues, manure, or food waste, appear to be exempt from this criticism. However, these feedstocks are byproducts of agricultural activities that generate emissions not covered by current climate policies in...