EDUCATION

The members and president of the jury warmly congratulate Hugo ORIOLA for his brilliant thesis defense which focuses on the direct or indirect impact of the actions of the central bank on the outcome of the elections.

RESEARCH

Why is it so difficult to reform pensions in France? A reflection by Anne Lavigne, Professor of Economics at the LÉO and Advisor to the COR from 2016 to 2022

RESEARCH

Economy in Orléans: the LEO and the future university campus will open on the Porte-Madeleine site in September 2025

leo

The Orléans Economics Laboratory is a host team at the University of Orléans.

It has about a hundred members, whose research covers three main areas of expertise:

Lab news

Latest publications

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Does sustainable fishing eco-label increase ex-vessel fish prices? Evidence from a French tuna fishery

François-Charles Wolff, Yohan Renard


Ecological Economics - 2026-08

Eco-certification initiatives are market-based solutions that create incentives for producers to adopt sustainable practices and preserve ecosystems. These initiatives rely on the assumption that producers will receive a price premium sufficient to encourage engagement with and commitment to eco-labels. This paper explores the price differential associated with the eco-certification of a bluefin tuna fishery in Les Sables d'Olonne, on the French Atlantic coast, on prices obtained by certified vessels at auction. Using unique transaction data from 2015 to 2024 and a difference-in-differences strategy, we find that eco-certified vessels experience a 10% price premium after certification compared to non-certified vessels. However, the daily premiums associated with ecocertification vary considerably.

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Chaînes de valeur mondiales et accords commerciaux profonds : une nouvelle dynamique d’intégration par les services

Amélie Guillin, Isabelle Rabaud, Chahir Zaki


Revue d'Economie du Développement - 2026-06-22

La participation aux chaînes de valeur mondiales (CVM) accroît la probabilité de signer un accord commercial préférentiel (ACP) profond incluant les biens et les services. Une croissance de 1 % des CVM augmente la profondeur des accords ACP de 2,9 points de pourcentage. Les liens en aval sont plus susceptibles d’affecter la profondeur des accords. De plus, l’effet des réseaux mondiaux de production est plus important sur les dispositions liées aux mesures non tarifaires, puis aux services. Les CVM offrent ainsi une nouvelle motivation pour approfondir les ACP entre pays de niveaux de développement différents.
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Tendances récentes en économie du développement

Eliane Badaoui, Christophe Jalil Nordman, Isabelle Rabaud, Elodie Rossi, Saïd Souam, Nouhoum Touré


Revue d'Economie du Développement - 2026-06-22

Face à la persistance de la pauvreté, aux transformations rapides des économies du Sud global et à l’émergence de nouveaux défis économiques, sociaux, environnementaux et institutionnels, la recherche continue de fournir des éclairages originaux sur les mécanismes sous-jacents et les politiques susceptibles de favoriser une dynamique de développement. L’amélioration progressive de la disponibilité des données a contribué à élargir le champ des questions étudiées et à affiner les outils d’analyse empirique. L’économie du développement continue ainsi d’apporter un renouvellement important de ses objets d’étude et de ses approches. Ce numéro spécial s’inscrit dans cette dynamique de recherche. Cet article introductif réunit vingt-neuf papiers courts sélectionnés parmi ceux présentés lors de l’édition 2025 de l’ICDE. Ils abordent, sous des angles variés, des questions centrales de l’économie du développement. Les contributions offrent une diversité de contextes étudiés et d’approches mobilisées. Elles apportent de nouveaux éclairages sur les défis du développement économique, mettent en lumière de nouvelles pistes de recherche et soulignent l’importance de la spécialité. Nous proposons une lecture thématique des contributions en les replaçant dans la littérature en économie du développement. 2. Dynamiques familiales et disparités de genre Analyser les dynamiques au sein des familles à travers le prisme du genre permet de mieux comprendre les mécanismes de transmission intergénérationnelle des inégalités et d’identifier les leviers de politique publique susceptibles de favoriser un développement plus inclusif…
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Transition risks and sovereign debt costs: a premium on fossil resources?

Mouez Fodha, Djamel Kirat, Chahir Zaki


Macroeconomic Dynamics - 2026-06-05

This paper examines the impact of low-carbon transition risks on sovereign borrowing costs. Using two unbalanced panel datasets covering 125 countries from 1995 to 2019, we estimate extended models of the macroeconomic determinants of short- and long-term sovereign debt costs. We include key indicators capturing exposure to transition risks, such as fossil resource abundance, the carbon intensity of GDP, and the share of renewable energy in total energy consumption. Results show that fossil resource abundance and a higher renewable energy share are associated with lower borrowing costs, whereas greater carbon intensity raises sovereign debt costs. Financial markets therefore appear to reward fossil resource endowments while penalizing carbon-intensive uses of these resources. This reveals a contradictory signal: fossil resource wealth lowers the cost of public borrowing, as it is perceived as a form of implicit collateral, while the actual use of these resources increases borrowing costs, reflecting a carbon risk premium.
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Intra household Inequality in Low-and Middle Income Countries

Sarah Deschenes, Philippe De Vreyer, Rozenn Hotte, Sylvie Lambert


2026-06

In low-and middle-income countries (LMICs), unequal sharing of resources within the household has important consequences for poverty measurement and policy targeting. This chapter provides a critical, methodological review of the three main approaches used to measure intra-household inequality, assessing what each can credibly reveal and where its limitations lie. Mortality and anthropometric outcomes reveal marked gender discrimination. Collective household models theoretically allow individual resource shares to be inferred from aggregate household data, but their applicability in LMICs is seriously limited: the assumption of Pareto efficiency rarely holds, owing to bargaining frictions, information asymmetries, and frequent exogenous shocks. Moreover, the resulting estimates of child poverty are often implausibly high relative to that of their parents, raising doubts about the relevance of the identifying assumptions in LMICs contexts.

More direct evidence comes from sub-household consumption data, illustrated by the Senegalese Poverty and Family Structure (PSF) survey, which shows that intrahousehold inequality accounts for 14% of total inequality, with more than 13% of poor individuals living in households classified as non-poor. In the complex households typical of LMICs, an individual's position -daughter-in-law, widow, junior co-wife -proves as important as gender in shaping access to resources. We argue that credibly identifying the most vulnerable household members requires moving beyond standard household surveys toward more granular data collection at the individual or sub-household level.

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Are Countries ready for Geothermal-CCS Coupling ? A panel Evidence Approach

Anne - Cécile Baptiste-Giuliana


2026-05-21

Summary not available.

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Research Documents

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Intra household Inequality in Low-and Middle Income Countries

Sarah Deschenes, Philippe De Vreyer, Rozenn Hotte, Sylvie Lambert


2026-06

Financements intermédiés et informalité en Afrique

Gregory Mvogo, Mohamed Coulibaly, Modeste Abate, Novice Bakehe


2026-05-03

Prediction of bubbles in presence of α-stable aggregates moving averages

Gilles de Truchis, Sébastien Fries, Arthur Thomas


2026-03-25

Fiscal Rules and Environmental Spending: Navigating the Trade- off between Discipline and Green Priorities

Ablam Estel Apeti, Bao We Wal Bambe, Jean-Louis Combes, Pascale Combes Motel, Rayangnewendé Frans Sawadogo


2026

Trading Returns for Privacy: Experimental Evidence from Financial Data Leaks

Mehdi Louafi


2026

Advancing clean energy transition in MENA enterprises through awareness, feasibility, and perceived efficiency

Giorgia Giovannetti, Enrico Marvasi, Chahir Zaki


2026

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