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[hal-05679169] Biodiversity impact of agricultural products in France: Greater differences across product types than food quality schemes
<div><p>Although agriculture contributes to four main drivers of biodiversity loss, the impact assessment of food products remains limited to either in situ measurements that preclude generalization or to systematic models that are not calibrated on in situ data. Here we describe the BVIAS (Biodiversity Value Increment from Agricultural Statistics) model, which estimates the biodiversity impact of food products using accountancy data and public statistics for use in environmental labeling schemes or other purposes. Going beyond existing methods, BVIAS accounts for the main drivers of biodiversity loss related to agriculture, relies on a large farm dataset (&gt;5,000 farms), and is calibrated using in situ data from the literature. We apply it to compare major Food Quality Schemes (FQSs) to their conventional counterparts. We show that only explicit requirements (e.g., ban on pesticides, grass-fed content) in FQS specifications lead to significant differences in practice. Consistent with the literature, we find that organic farms have a lower biodiversity impact on a per-hectare basis, as well as those producing Comté (Protected Designation of Origin), but lower yields offset this local benefit, resulting in a higher impact per ton. However, the biodiversity impact gap between product types (here milk vs. cereals) is far greater than the difference between FQS and conventional versions of the same product. This study highlights that, for environmental labeling, the distinction between product types is more important than the distinction between FQS and conventional.</p></div>
ano.nymous@ccsd.cnrs.fr.invalid (Sarah Huet) 03 Jul 2026
https://hal.inrae.fr/hal-05679169v1
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[hal-05680867] Double claiming of agricultural carbon credits: time to stop worrying
In France, after seven years of the French “Low Carbon Label” (le Label bas carbone, LBC) certification scheme, there remains a systemic lack of funding for agricultural projects. The agri-food companies that would naturally be well placed to fund low-carbon agricultural projects are turning away from them and even discouraging their own suppliers from taking part in the LBC scheme. Among the reasons mentioned by the agri-food industries is the fear of “double claiming”. Agri-food companies fear being unable to account, in their scope 3 GHG inventory, for the emissions reductions and carbon removals achieved by their suppliers, once these are sold to a third party in the form of carbon credits. The GHG Protocol (GHGP) and the Science Based Targets initiative (SBTi) — two leading frameworks for private-sector decarbonisation — both restrict this “double claiming” in principle. Both frameworks require climate mitigation claims to be exclusive: the same emission reduction or carbon removal cannot be claimed simultaneously by the third party that purchases the carbon credit and by the agri-food company that records it in its scope 3 inventory to track progress towards its climate tar-gets. I4CE demonstrates that the prohibition of double claiming is, most often, neither justified nor operational. It is indeed men-tioned in the texts of the GHGP and the Sbti. But it goes against the very logic of scope 3 account-ing. And the conditions required to trigger an ac-counting adjustment are rarely met. • A rule structurally ill-suited to scope 3. Scope 3 is by nature “the realm of double counting”: a reduction or removal achieved by a farmer mechanically appears in the scope 3 of all its downstream customers. It is a fundamental property of this kind of accounting, explicitly recognised by the GHGP itself, not an anomaly. Financing a reduction does not imply monopolizing its accounting effects. The prohibition of double claiming confuses the “active” claim made by a funder, who asserts to have made an emissions reduction or carbon removal possible, with the “passive” claim of a GHG inventory, which merely takes a snapshot of physical GHG flows. • Tracking progress towards corporate targets is a borderline case. When a company sets a mitigation target and tracks progress via its GHG inventory, the GHGP prohibits it from counting an emissions reduction or carbon removal if the corresponding carbon credits have been sold to a third party. This is understandable. But the same logic should equally exclude reductions and removals attributable to climate change or to a supplier's autonomous initiative, both pervasive in scope 3. I4CE favours the opposite approach: measuring progress based on physical GHG inventory, regardless of who funded the reductions or removals. This approach is imperfect in attributional terms but is both consistent and operational. • An unworkable rule that even the standards themselves apply only under rarely met conditions. To avoid double claiming, a company should theoretically reintegrate into its GHG inventory the emissions corresponding to the credits sold. But this adjustment is only required when the company has precise enough data to "see" the reduction at the farm level, which is rarely the case, since agri-food inventories rely on statistical averages. Moreover, this rule is unverifiable, given the lack of physical traceability and the absence of cross-verification between credit registries and scope 3 inventories. • A self-defeating rule penalizing farmers. As a precaution, some agrifood companies dissuade their farmers from joining third-party carbon certification projects or impose exclusivity clauses that prevent them from accessing climate finance, without any solid legal or moral justification. A blockage that can be overcome without delay. No legal obligation under French law requires the exclusivity of carbon claims between a scope 3 inventory and the sale of credits outside the value chain. Existing frameworks are sufficient: 4 June 2026 French regulatory GHG inventories, as well as the CSRD, already separate the GHG inventory from the disclosure of credits and project financing. I4CE recommends that European regulations (ESRS and CRCF) clarify that an emissions reduction or a carbon removal that has generated a carbon credit may legitimately appear in the scope 3 inventory that an agri-food company publishes under the CSRD, regardless of who funded that credit. This falls under the “passive” claim, the mere observation of physical flows, and not under the “active” claim of the funder. The sale of a credit by a supplier therefore does not require its downstream customers to adjust their scope 3 inventory, and the obstacle is lifted without undermining the integrity of reporting.
ano.nymous@ccsd.cnrs.fr.invalid (Clothilde Tronquet) 06 Jul 2026
https://hal.inrae.fr/hal-05680867v1
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[hal-05674955] Anatomy of an Urban Food Supply in the Global South—The Case of Vegetable Supply to Hanoi City
Documenting urban food supply systems is essential for understanding their functioning, impacts, and future evolution. While this task is a critical step in implementing urban food policies, it faces significant challenges—particularly in low- and middle-income countries. Through a case study of Hanoi, Vietnam, we use diverse empirical data sources to tackle the issue. We quantify the urban food supply system of Hanoi for one key product: fresh vegetables. By combining multiple investigative methods, we employ social network analysis to map the intermediary networks connecting production and consumption. Volume of food flows moving through different supply channels and the spatial expansion of the entire system have been determined. Our findings reveal that Hanoi currently sources vegetables from a vast area, encompassing all of northern Vietnam and parts of China. While local production (within Hanoi) still accounts for 46% of the supply, most locally grown vegetables pass through intermediaries—such as wholesalers, retailers, and street vendors. These intermediaries play a crucial role by bringing fresh produce closer to consumers, thereby enhancing the overall efficiency of the supply chain. The results align with predictions from previous research, indicating that food supply systems in Southern cities are increasingly following trends observed in Northern cities as urbanization progresses. We recommends that future food policies should explicitly address the role of middlemen, particularly street vendors. The roles and contributions of these informal operators to the urban food systems of the Global South should be formally recognized.
ano.nymous@ccsd.cnrs.fr.invalid (Hai Vu Pham) 30 Jun 2026
https://institut-agro-dijon.hal.science/hal-05674955v1
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[tel-05662420] « Heureusement qu'il y a la Suisse ». Reproduction et recompositions des classes populaires dans les espaces désindustrialisés frontaliers
Cette thèse vise à comprendre la genèse de la condition ouvrière frontalière en Suisse, à réinscrire ce projet migratoire dans des trajectoires collectives, resituées dans un espace local et appréhendées sur le temps long, et à éclairer les recompositions des classes populaires produites par ces migrations dans les mondes ruraux désindustrialisés, à partir d’une enquête ethnographique « armée par les statistiques » et menée dans une région proche de la Suisse. Ce travail différencie d’abord plusieurs espaces sociaux locaux, proches ou éloignés de la Suisse, et décrit les différentes populations frontalières qui y vivent. Loin de la Suisse, dans les « marges », l’essor récent de migrations frontalières de travail est indissociable de la désindustrialisation et résulte de projets migratoires construits au travail. Ceux-ci sont néanmoins incertains et inégalement accessibles aux ouvrier·es. À l’inverse, près de la frontière, les familles autochtones présentent des socialisations frontalières plus élaborées, constitutives d’un capital d’autochtonie spécifique. Enfin, à partir d’une scène populaire du hors-travail, la thèse permet de redéfinir relationnellement le statut social de « frontalier ». En comparant ce nouveau modèle de réussite à d’autres positions concurrentes, l’enquête met en évidence la manière dont ceux qui l’adoptent parviennent à justifier leur enrichissement relatif et à se (re)construire une légitimité populaire.
ano.nymous@ccsd.cnrs.fr.invalid (Alexandre Barbet) 18 Jun 2026
https://hal.inrae.fr/tel-05662420v1
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[hal-05642181] The Rise of Green Regions: Do Leaders Matter?
The paper studies the emergence of environmental policies and green places, where regional governments are strategic actors in the green transition. We build a tractable quantitative spatial general equilibrium model in which regions with heterogeneous sizes, income, and environmental awareness compete to attract users of sustainable transport modes through environmental subsidies. We show that environmental awareness interacts with regional size to generate asymmetric policy adoption. Early adopters reshape the diffusion process: regions with large populations or high awareness emerge as green leaders that stimulate subsequent adoption through interregional competition. Once fully green, however, these leaders slow the transition of follower regions. An empirical application to French regions shows that completing the green transition requires a large increase in environmental expenditure, from negligible observed levels to about 13% of existing local tax revenues. It also reveals asymmetric leadership spillovers: early entrants not only accelerate adoption but also raise environmental policy in other regions, while early green transitions mainly delay convergence with limited effects on policy intensity.
ano.nymous@ccsd.cnrs.fr.invalid (Tidiane Ly) 03 Jun 2026
https://univ-paris-dauphine.hal.science/hal-05642181v1
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[hal-05648572] Principles for guiding and unlocking transformation of the European Union agrifood system
European agrifood systems face many challenges and dilemmas regarding sustainability, resilience and competitiveness. Through consultations with scientific experts, we identified five systemic lock-ins (governance and policy fragmentation; behavioural and dietary challenges; political economy and market dynamics; unaccountability and environmental degradation; disruption and unpredictability as the new norm) hindering agrifood systems transformation. Based on concrete examples, we propose five guiding principles that, in various combinations, can help address lock-ins and guide effective changes towards more healthy and sustainable food systems. Their successful implementation requires strong, experience-inspired, science-based political and business leadership supported by a revised research and innovation agenda.
ano.nymous@ccsd.cnrs.fr.invalid (Jørgen E. Olesen) 08 Jun 2026
https://hal.science/hal-05648572v1
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[hal-05615322] Strategic free-riding in pest control: Theory and evidence in organic-conventional mixed landscapes
Organic and conventional farmers face the same pests but differ in technologies and economic incentives to control them. This paper theoretically and empirically characterizes the strategic interactions for pest control between these two types of farmers within mixed organic-conventional landscapes. Our non-cooperative game model shows that each farmer type is expected to strategically free-ride on the other’s control efforts when managing a sufficiently small share of the landscape, and that the extent of free-riding increases with lower pest pressure, higher relative treatment costs, and lower treatment efficacy. Using exhaustive French postcode-level data on insecticide purchases against the vector of a vine disease (Flavescence dorée), we provide empirical support for all our theoretical propositions. Our preferred estimates indicate that organic farmers free-ride on conventional farmers’ efforts until they reach about 8% of the landscape. Beyond this threshold, organic treatments only partially substitute for reduced conventional treatments, up to a point where conventional farmers may eventually free-ride if the organic landscape share becomes large enough. Consistent with the model’s predictions, high pest pressure substantially reduces the scope for free-riding, while differences in relative treatment costs and treatment efficacy also affect its extent, though to a lesser degree.
ano.nymous@ccsd.cnrs.fr.invalid (François Bareille) 07 May 2026
https://hal.inrae.fr/hal-05615322v1
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[hal-05649339] Introduction to the special issue: Recent advances in spatial statistics and spatial econometrics - selected papers from the 22nd International Workshop on Spatial Econometrics and Statistics (SEW 2024)
Introduction to the special issue: Recent advances in spatial statistics and spatial econometrics - selected papers from the 22nd International Workshop on Spatial Econometrics and Statistics (SEW 2024).
ano.nymous@ccsd.cnrs.fr.invalid (Adélaïde Fadhuile) 09 Jun 2026
https://hal.science/hal-05649339v1
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[hal-05674275] Evaluating fiscal equalization in France: Redistributive performance, cost-efficiency, and needs alignment
This paper assesses the redistributive performance, cost-efficiency, and needs-alignment of fiscal equalization in France at the municipal and intermunicipal levels over 2016–2025. Using population-weighted Gini indices, we quantify the contribution of major vertical and horizontal transfers to fiscal inequality reduction and compute their implicit budgetary cost per unit of redistribution. We further decompose disparities across socio-economic territorial clusters and examine whether the allocation of the main vertical grant reflects the structural determinants of municipal spending. We show that while the main vertical grant produces the largest absolute reduction in fiscal inequality, the most intensely equalizing instruments are the Rural Solidarity Grant (DSR/RSG) and the horizontal mechanisms, which achieve substantial redistribution relative to their modest financial envelopes. By contrast, the Compensation Grant (DC/CG) exerts a counter-equalizing effect, amplifying disparities due to its legacy-based allocation logic. Inequality decomposition reveals that a large share of fiscal disparities persists within socio-economic territorial clusters, with only selected instruments significantly reducing structural divides. Finally, the allocation of the DGF/GOG is overwhelmingly driven by fiscal capacity correction, while several empirically significant spending determinants receive limited weight, indicating that revenue equalization dominates cost equalization in the French system.
ano.nymous@ccsd.cnrs.fr.invalid (Marie-Laure Breuillé) 30 Jun 2026
https://institut-agro-dijon.hal.science/hal-05674275v1
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[hal-05667112] Soigner les animaux avec des plantes.Savoirs pratiques, savoirs experts.
La communication vise à rendre compte du renouveau de la phytothérapie pour soigner les animaux à la ferme à partir des années 1990, en s'intéressant à deux espaces: celui des éleveurs et de leur travail de soins du bétail, et celui de la profession vétérinaire et de ses divisions autour de la légitimité des médecines alternatives.
ano.nymous@ccsd.cnrs.fr.invalid (Lucile Benoit) 23 Jun 2026
https://hal.inrae.fr/hal-05667112v1
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[hal-05690961] Regards croisés sur l'agroécologisation de l'expérimentation à INRAE : basculement ou bousculement ?
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ano.nymous@ccsd.cnrs.fr.invalid (Floriane Derbez) 13 Jul 2026
https://hal.inrae.fr/hal-05690961v1
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[hal-05620993] Future development of ecological agriculture and regional impacts: stakeholders' perception in three French regions
This paper explores possible future development of ecological approaches to farming in ten years' time and their environmental and socio-economic effects, as perceived by stakeholders, in three French regions (Puy-de-Dôme, Ille-et-Vilaine and Sarthe). Stakeholder perceptions are assessed with Q-methodology, a method that investigates similar or diverging subjective perspectives held by groups of stakeholders who are experts on the topics investigated. The method allows identify and describe several perspectives shared by experts on the future of farming practices and their environmental and socio-economic impacts for the three regions. Our study highlights the complexity of predicting the future shape of a region's agriculture and rural economy, as it depends on current trends in the region, the region's characteristics, as well as on the experts participating in the study. However, despite contradicting trends, one convergence of perception is found in terms of additional skills that will be needed on farms in the future.
ano.nymous@ccsd.cnrs.fr.invalid (Kassoum Ayouba) 13 May 2026
https://hal.science/hal-05620993v1
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[hal-05618398] Assessing the impact of separate biowaste collection on residual household waste an analysis at the French intermunicipal level
This study evaluates the effectiveness of separate biowaste collection implemented by French local authorities by assessing its impact on the quantities of residual household waste collected per capita. Using a staggered Difference-in-Differences approach, we first examine the dynamic effect of biowaste separation policies on residual household waste. We then explore the heterogeneity of this effect across various economic and sociodemographic contexts, as well as under different waste pricing systems. Our findings reveal that, in the period following adoption, there was a significant average reduction of approximately 19.56 kg per capita in residual household waste among intermunicipal entities that implemented separate biowaste collection. However, this initial reduction is not sustained over time. The heterogeneity analysis shows that low-density areas and intermunicipal entities with limited tourist accommodations experience larger reductions in residual household waste after implementing separate biowaste collection, compared to high-density and high-tourism areas. Furthermore, our results suggest that incentive-based pricing systems significantly contribute to reducing residual household waste. Based on these results, we suggest ways to improve local public waste management policies.
ano.nymous@ccsd.cnrs.fr.invalid (Aissatou Ndimblane) 11 May 2026
https://hal.inrae.fr/hal-05618398v1
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[hal-05596618] Requalifier l’écologie : morales de classe et confrontations sociales
Ce numéro double propose d’analyser l’écologie à partir des confrontations sociales qu’elle engendre et au sein desquelles se redéfinissent des manières de faire groupe et de se positionner. Loin d’un processus homogène, l’écologisation apparaît comme une dynamique relationnelle faite de requalifications réciproques : elle transforme les pratiques et les positions sociales, tout en étant elle-même continuellement redéfinie par les groupes qui s’en saisissent, la contestent ou l’instrumentalisent. À partir d’enquêtes empiriques variées, les contributions montrent comment les engagements militants, les politiques publiques ou les milieux professionnels produisent des écologies en concurrence. Ce dossier met en évidence le rôle central des morales de classe dans ces confrontations, qui tracent les frontières de l’acceptable ou l’inacceptable face aux écocides contemporains. La dernière partie revient sur les apports de l’histoire environnementale pour inscrire ces dynamiques dans une temporalité longue en exposant les continuités entre écologisation, requalification morale et conflictualité sociale.
ano.nymous@ccsd.cnrs.fr.invalid (Collectif Classes Vertes) 20 Apr 2026
https://hal.science/hal-05596618v1
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[hal-05641098] Des granules, des éleveurs et des vaches. Fonctions et circulations des récits de soins d’animaux traités par l’homéopathie
Cet article propose un nouveau regard sur le travail des éleveurs qui concerne les soins des animaux, en explorant les liens entre pratiques individuelles et apprentissages collectifs. L’analyse porte sur les usages de l’homéopathie vétérinaire, abordée à travers les récits d’éleveurs ayant soigné des animaux avec cette thérapeutique. Une étude attentive de ces récits, de leur contenu et de leur circulation met en évidence les fonctions pratiques et cognitives qu’ils assurent au sein de dispositifs sociotechniques mobilisant une pluralité d’acteurs. Les résultats montrent que les éleveurs trouvent dans l’homéopathie une démarche leur permettant de renforcer des compétences d’observation ancrées dans le corps, les sens et les affects. Utilisée conjointement avec la médecine moderne, l’homéopathie vient ainsi soutenir la dimension relationnelle du travail avec les animaux.
ano.nymous@ccsd.cnrs.fr.invalid (Florence Hellec) 02 Jun 2026
https://hal.inrae.fr/hal-05641098v1
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[hal-05591170] S’attacher au territoire par le travail. Expérimentations cartographiques avec un éleveur dans le Morvan
Cet article analyse un usage de la cartographie sensible afin d’expliciter les relations d’attachements au territoire d’un éleveur du Morvan. En s’appuyant sur plusieurs étapes d'élaboration, l’étude révèle des liens dynamiques aux espaces de travail, restés jusqu'alors implicites. Dans notre approche de géographie de l'environnement, la cartographie sensible devient un outil ouvrant sur l'explicitation de savoirs en mouvement et sur l'émergence de nouvelles connaissances pour comprendre l'impact affectif et émotionnel des changements climatiques sur les professions agricoles, non sans le risque d’une expression de vulnérabilités à accompagner.
ano.nymous@ccsd.cnrs.fr.invalid (Luciole Rabiller) 14 Apr 2026
https://hal.science/hal-05591170v1
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[hal-05540926] « Ce qu’il y a de bien avec le changement climatique… »
Un documentaire récent entend brosser une image désirable de la France de 2100 à +4°C pour contrer le pessimisme ambiant. Résultat: une France rance, qui a renoncé à l'atténuation, à la justice sociale et même au bon sens. Une tribune collective rétablit les faits scientifiques sur la dévastation du système Terre et remet la question politique au premier plan.
ano.nymous@ccsd.cnrs.fr.invalid (Inès Bel Mokhtar) 06 Mar 2026
https://hal.science/hal-05540926v1
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[hal-05573667] Se passer ou pas des néonicotinoïdes ?
Cet article vise à s’interroger sur la manière dont, aujourd’hui en France, les discours et les actions se structurent dans l’espace public national autour de l’usage des néonicotinoïdes par les producteurs de betterave. S’appuyant sur les régimes d’actions « tactique-stratégique » et « de la justification », il montre comment des coups et contrecoups se succèdent dans le temps, depuis plus d’une vingtaine d’années, entre les défenseurs et les contempteurs de cet usage, et comment les uns et les autres se réfèrent, pour ce faire, à des principes supérieurs communs différents. Les événements décrits tiennent plus de la guerre larvée, avec une succession d’opérations tactiques et de moments de paix armée, et rendent compte d’une certaine incapacité politique à établir des compromis à même de permettre la construction d’une autre réalité.
ano.nymous@ccsd.cnrs.fr.invalid (Claude Compagnone) 31 Mar 2026
https://institut-agro-dijon.hal.science/hal-05573667v1
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[hal-05534049] Transformer les systèmes d’élevage par le jeu ?: Retour sur le processus de conception d’un jeu sérieux destiné à accompagner la transition des systèmes cunicoles
Insta’Lap est un jeu sérieux qui vise à accompagner la transition des systèmes d’élevage cunicole. Il s’agit d’un jeu de simulation permettant aux joueur·euses de concevoir un système d’élevage de lapins désirable pour eux et acceptable pour la société. Le déroulement d’une partie inclut une phase d’identification d’aspirations et de pratiques d’élevage grâce à des cartes au choix, une phase de réflexivité collective, et une phase d’évaluation multicritère de la durabilité des systèmes conçus. Au croisement des sciences sociales (sociologie et sciences de l’éducation) et de la zootechnie, le processus de conception du jeu est examiné au prisme des difficultés et frictions rencontrées dans le comité de co-conception. Insta’Lap est considéré comme un « objet-frontière » favorisant le dialogue entre les mondes sociaux cunicoles réunis au sein de ce comité. La discussion s’interroge sur la ludicité, la jouabilité d’Insta’lap et le potentiel transformatif du jeu.
ano.nymous@ccsd.cnrs.fr.invalid (Floriane Derbez) 03 Mar 2026
https://hal.science/hal-05534049v1
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[hal-05621917] Écologie : « Les ruraux ont le sentiment qu’on leur donne des leçons ». Interview pour Reporterre
À travers l’exemple des affouages (coupe de bois dans les forêts communales), Nicolas Renahy explique que certaines politiques environnementales peuvent être vécues comme une dépossession culturelle et sociale. Ainsi l’interdiction des grands feux décidée par l’ONF dans les années 1990 a supprimé des moments de convivialité et renforcé l’impression que les règles écologiques sont imposées sans tenir compte des usages locaux. Ce, d’autant que l’invisibilisation politique des classes populaires croit. L’écologie politique semble avoir progressivement perdu ses liens avec ces milieux sociaux (disparition de nombreuses sociabilités interclassistes depuis les années 1980 ; fermeture de services publics ruraux et éloignement des classes moyennes qui y sont salariées). Une telle distance sociale et politique est une aubaine pour l’extrême droite, qui présente l’écologie comme une affaire de « bobos » urbains. Pour lui, il est indispensable de afin de Rendre l’écologie plus sociale, plus inclusive et davantage ancrée dans les réalités vécues de la moitié la plus pauvre de la population ne peut se faire sans reconstruire des formes d’alliances et de solidarité entre mouvements écologistes et milieux populaires.
ano.nymous@ccsd.cnrs.fr.invalid (Nicolas Renahy) 13 May 2026
https://hal.science/hal-05621917v1
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[hal-05572387] Des moulins et des poissons. Appropriations de l’environnement proche en temps de bouleversements climatiques
La vague de sécheresse qui récemment a frappé la France hexagonale a renchérit et durci des conflits autour de l'aménagement des rivières. Quels usages prioriser lors que les cours d'eau s'assèchent? Comment préparer les rivières à l'intensification des sécheresses? Faut-il multiplier les petites retenues d'eau ou, au contraire, accroître la résilience du cours d'eau en favorisant les équilibres écosystémiques naturels ? Ces questions ont émergé au cours de mon enquête de thèse entre deux bassins-versants du Nord-Est de la France, une enquête portant plus généralement sur les transformations des rapport à l'environnement proche en temps de sécheresses. L'approche ethnographique montre que ces conflits environnementaux cristallisent des tensions sociales autour de l'appropriation de l'espace par différentes fractions de la (petite) bourgeoisie locale. Leur légitimité sociale à transformer l'environnement repose sur des ressources concurrentes, qui dessinent, en creux, différents modes de politisation des catastrophes environnementales, opposant schématiquement une écologie naturaliste et une écologie autonomiste.
ano.nymous@ccsd.cnrs.fr.invalid (Juliette Piketty-Moine) 30 Mar 2026
https://hal.science/hal-05572387v1
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[hal-05455600] Is compulsory inter-municipal cooperation an efficiency booster?
This paper evaluates the impact of inter-municipal cooperation on municipal efficiency in France. We exploit the “Réforme des Collectivités Territoriales” (RCT) law, approved in 2010, which forced municipalities to join an inter-municipal group (EIMC) by 2014. Focusing on Île-de-France from 2002 to 2019, we first compute municipal efficiency scores, accounting for intra- and inter-EIMC spillover effects. We then causally assess the impact of EIMC integration on municipal efficiency. We find that the RCT law increased municipal efficiency by 1.1% to 1.9%, with a stronger effect for early adopters and with increasing length of exposure.
ano.nymous@ccsd.cnrs.fr.invalid (Federica Galli) 13 Jan 2026
https://institut-agro-dijon.hal.science/hal-05455600v1
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[hal-05392358] Can public investment in transport influence densification and land use? Evidence from the tramway of Dijon (France)
Investment in public transport offers alternatives to reduce car dependency as well as many negative externalities associated with solo car usage. Yet, to be fully effective, public transport infrastructure must be able to facilitate economic activities and households’ concentration. By increasing building density around stations and corridors, transport land-use feedback cycle can be engaged. The paper aims to evaluate the existence and extent of the causal relationship between public investment and densification, leveraging the implementation of a tramway service in the metropole of Dijon (France). The analysis decomposes the impact by direction as well as by the distance to corridor and city center. The results suggest that investment in public transport systems can significantly affect population and/or employment densification patterns, but that success is largely linked to the political willingness to stimulate densification through facilitating private investment.
ano.nymous@ccsd.cnrs.fr.invalid (Jean Dubé) 08 Jan 2026
https://hal.inrae.fr/hal-05392358v1
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[hal-05652079] Economic evaluation of the benefits of the Natura 2000 network in “Castilla y Leon” (Spain) through rural tourism
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ano.nymous@ccsd.cnrs.fr.invalid (Capucine Chapel) 10 Jun 2026
https://hal.inrae.fr/hal-05652079v1
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[hal-05477824] Vulmob, a multidimensional vulnerability indicator to assess the impact of policies limiting car use - application to the Grenoble LEZ
Social (in)justice is an argument often put forward to explain the successive setbacks to the rollout of low-emission zones (LEZs) in France. However, until now, this is not based on any rigorous assessment. We are developing a methodology for assessing the impact of a LEZ on mobility vulnerabilities based on a multidimensional vulnerability indicator (VulMob). We apply this methodology to the Grenoble region. Firstly, we show that the number of households without a solution is extremely low and that there are solutions to help these households specifically, without calling the whole policy into question. Moreover, modal shift appears to be a high-potential adaptation solution for all households, which could improve the environmental and health performance of the LEZs. It should be noted, however, that highly vulnerable households are more affected and more likely to remain without a solution other than buying a car that complies with the LEZ. This work can guide the operational implementation of the LEZs and the definition of support policies, taking into account vulnerability profiles and the specific characteristics of the area
ano.nymous@ccsd.cnrs.fr.invalid (Lola Blandin) 26 Jan 2026
https://hal.science/hal-05477824v1
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[hal-05490782] From Sharing to Capitalizing: Evaluating the Rise of Airbnb in Housing Prices
This paper investigates the causal impact of short‐term rentals (STRs) on housing prices across French municipalities in 2018−2019. Using Airbnb data and a novel demand‐shock instrument, we isolate exogenous variation in STR supply. A 1% increase in STR density raises local housing prices by an average of 11%, with stronger effects in densely populated, supply‐constrained cities and in non‐touristic rural areas. Results also show substantial heterogeneity between professional and non‐professional hosts, the latter driving most of the capitalization effect. By combining platform and administrative data, the paper provides new evidence on how tourism‐driven housing demand shapes real‐estate markets.
ano.nymous@ccsd.cnrs.fr.invalid (Yacine Allam) 03 Feb 2026
https://institut-agro-dijon.hal.science/hal-05490782v1
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[hal-05490824] Managing Pesticide Resistance: Input‐Oriented Versus Result‐Oriented Tax Systems
Pesticide resistance is a phenomenon that is becoming increasingly worrying. Heavy reliance on pesticides in the agricultural sector is at the core of this problem. In this paper, we analyse how farmers' pest control strategies can reduce pesticide resistance. We show that Integrated Pest Management is effective in limiting the growth of pesticide resistance. However, because one farmer's choices affect those of their neighbours, externalities remain and public policies are needed. We analyse two tax systems where one is polluting input‐oriented and the other is result‐oriented. We derive conditions under which both tax systems lead to socially optimal strategies. We show that a result‐oriented scheme needs less information on farmers' time preferences.
ano.nymous@ccsd.cnrs.fr.invalid (Safiatou Barro) 03 Feb 2026
https://institut-agro-dijon.hal.science/hal-05490824v1
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[hal-05491715] Fromage de Comté et vache montbéliarde : des communs aux effets protecteurs ?
Cet article décrit l’imbrication de deux communs ancrés dans le territoire du massif du Jura : le fromage Comté et les savoir-faire qui entourent sa fabrication ; la vache montbéliarde, à la fois objet de passion et de sélection génétique de pointe. Chacun d’eux a des effets en termes de protection sociale : le succès contemporain de l’AOP Comté confère une vitalité économique à l’agriculture et au territoire. La vache montbéliarde, dont la sélection échappe désormais aux éleveurs dans une mondialisation de la génétique, continue de faire passion et de nourrir des satisfactions dans le métier d’éleveur. Ces communs sont des productions matérielles et immatérielles, pétries d’ambivalences, mais qui assurent néanmoins une sécurité et une protection par le bas, par les agriculteurs, les acteurs de la filière et du territoire. Notre détour historique et géographique permet de revisiter la notion de protection sociale et d’interroger la protection environnementale, sans laquelle la durabilité sociale et les communs seraient menacés.
ano.nymous@ccsd.cnrs.fr.invalid (Sandrine Petit) 03 Feb 2026
https://hal.inrae.fr/hal-05491715v1
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[hal-04681561] The implementation of the new Common Agricultural Policy in France will not be environmentally ambitious
This paper assesses the environmental ambition of 2023-2027 Common Agricultural Policy in France. Since conditionality and agri-environment-climate measures are only marginally improved relative to the previous period, attention is focused on the new environmental instrument of the eco-scheme that in France targets the whole farm. Results suggest low environmental progress since almost all French farms would reach the standard level of the eco-scheme by one of the three access paths with unchanged farming practices, and 85% of them would reach the superior level. The percentage of farms at the superior level would be lower for farms specialized in annual crops than for cattle farms. We then show that the payment difference of e20 per hectare between the standard and superior level is probably insufficient for farms specialized in cereals, oilseeds and protein crops to offset the additional cost of the change in farm practices required to move from the standard to the superior level.
ano.nymous@ccsd.cnrs.fr.invalid (Marie Lassalas) 29 Aug 2024
https://hal.inrae.fr/hal-04681561v1
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[hal-05688030] De quoi la crise de la cuniculture est-elle le signe ?
La cuniculture est régulièrement qualifiée, en France, comme une filière agricole « en crise ». D’une part, la baisse continuelle de la consommation de viande de lapin impacte les volumes produits et le nombre d’éleveurs et d’éleveuses de lapins en activité. D’autre part, l’élevage en cage sur lequel repose le mode de production dominant dit « rationnel » est aujourd’hui fortement remis en question par des citoyens de l’Union européenne. Cet article a pour ambition d’examiner les significations attachées à ce contexte critique à la lumière d’entretiens compréhensifs menés auprès d’acteurs de la filière de production de lapin de chair : par quels types d’acteurs la situation est-elle qualifiée de « crise », comment, à partir de quels arguments ? Quels sont les effets de cette qualification ? Nous montrerons comment et dans quelle mesure la « crise » concourt à un processus de requalification des systèmes de production cunicoles. Nous soulignons que ce processus ne va pas sans générer un certain nombre de tensions dans la mesure où il implique une reconfiguration plus ou moins profonde de la relation aux animaux, aux conditions dans lesquelles ils sont élevés et à leur « bien-être ». Une telle reconfiguration est basée sur une anticipation des « attentes sociétales » qui ne fait pas consensus.
ano.nymous@ccsd.cnrs.fr.invalid (Floriane Derbez) 10 Jul 2026
https://institut-agro-dijon.hal.science/hal-05688030v1
