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  • Rural Digital Europe
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Thomas S. Kraft; Daniel K. Cummings; Vivek V. Venkataraman; Sarah Alami; +9 Authors

    Cooperation in food acquisition is a hallmark of the human species. Given that costs and benefits of cooperation vary among production regimes and work activities, the transition from hunting-and-gathering to agriculture is likely to have reshaped the structure of cooperative subsistence networks. Hunter–gatherers often forage in groups and are generally more interdependent and experience higher short-term food acquisition risk than horticulturalists, suggesting that cooperative labour should be more widespread and frequent for hunter–gatherers. Here we compare female cooperative labour networks of Batek hunter–gatherers of Peninsular Malaysia and Tsimane forager–horticulturalists of Bolivia. We find that Batek foraging results in high daily variation in labour partnerships, facilitating frequent cooperation in diffuse networks comprised of kin and non-kin. By contrast, Tsimane horticulture involves more restricted giving and receiving of labour, confined mostly to spouses and primary or distant kin. Tsimane women also interact with few individuals in the context of hunting/fishing activities and forage mainly with spouses and primary kin. These differences give rise to camp- or village-level networks that are more modular (have more substructure when partitioned) among Tsimane horticulturalists. Our findings suggest that subsistence activities shape the formation and extent of female social networks, particularly with respect to connections with other women and non-kin. We discuss the implications of restricted female labour networks in the context of gender relations, power dynamics and the adoption of farming in humans. This article is part of the theme issue ‘Cooperation among women: evolutionary and cross-cultural perspectives’.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Europe PubMed Centra...arrow_drop_down
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    Europe PubMed Central
    Other literature type . 2022
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    Philosophical Transactions of the Royal Society B Biological Sciences
    Article . 2022 . Peer-reviewed
    License: Royal Society Data Sharing and Accessibility
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Europe PubMed Centra...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Philosophical Transactions of the Royal Society B Biological Sciences
      Article . 2022 . Peer-reviewed
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    Authors: Shyamalika Gopalan; Richard E.W. Berl; Justin W. Myrick; Zachary H. Garfield; +10 Authors

    It is commonly thought that the spread of agriculture and farmers led to the decline of hunter-gatherer populations. A new study found that the demographic responses of Ethiopian foragers to this major cultural transition have been more diverse than anticipated. International audience

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Current Biologyarrow_drop_down
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    Current Biology
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    Europe PubMed Central
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    Current Biology
    Article . 2022 . Peer-reviewed
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      Article . 2022 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Current Biology
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    Authors: Kraft, Thomas S.; Cummings, Daniel K.; Venkataraman, Vivek V.; Alami, Sarah; +9 Authors

    Cooperation in food acquisition is a hallmark of the human species. Given that costs and benefits of cooperation vary among production regimes and work activities, the transition from hunting-and-gathering to agriculture is likely to have reshaped the structure of cooperative subsistence networks. Hunter–gatherers often forage in groups and are generally more interdependent and experience higher short-term food acquisition risk than horticulturalists, suggesting that cooperative labour should be more widespread and frequent for hunter–gatherers. Here we compare female cooperative labour networks of Batek hunter–gatherers of Peninsular Malaysia and Tsimane forager-horticulturalists of Bolivia. We find that Batek foraging results in high daily variation in labour partnerships, facilitating frequent cooperation in diffuse networks comprised kin and non-kin. By contrast, Tsimane horticulture involves more restricted giving and receiving of labour, confined mostly to spouses and primary or distant kin. Tsimane women also interact with few individuals in the context of hunting/fishing activities and forage mainly with spouses and primary kin. These differences give rise to camp- or village-level networks that are more modular (have more substructure when partitioned) among Tsimane horticulturalists. Our findings suggest that subsistence activities shape the formation and extent of female social networks, particularly with respect to connections with other women and non-kin. We discuss the implications of restricted female labour networks in the context of gender relations, power dynamics and the adoption of farming in humans.This article is part of the theme issue ‘Cooperation among women: evolutionary and cross-cultural perspectives’.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ figsharearrow_drop_down
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    Authors: Marc Ivaldi; Ambre Nicolle; Frank Verboven; Jiekai Zhang;

    Do new digital consumption channels of music depress sales in old physical ones, or are they complementary? To answer this question, we exploit product-level variation in sales and prices of over 4 million products, observed weekly between 2014 and 2017 for the entire French market. A unique feature of our data is that we observe sales for both physical and digital products, as well as streaming consumption. At the track-level, we find that streaming displaces digital sales. At the more aggregate artist-level, digital sales displace physical sales, but streaming implies a promotional effect on physical sales. This complementarity is driven by popular genres, i.e., Pop and Variety. Most of our findings are robust to whether we consider the hits or include the products that belong to the long tail. Our findings bridge two streams of literature as we show that displacement between consumption channels at the product level can coexist with complementarity at a more aggregate level. Funding Information: We are grateful for the financial and intellectual support we received from Département des Etudes, de la Prospective et des Statistiques (DEPS) from the French Ministry of Culture (Under Convention DEPS/FJJL-TSE, 2018). This project has also been funded by the Agence Nationale de la Recherche (Under Grant ANR-17-EURE-0010, Future Investment program). We thank Luis Aguiar, Tobias Kretschmer, Johannes Loh, and Yann Nicolas, as well as seminar participants at ISTO’s Research Days in Munich (2019), AFREN’s Digital Summer School in La Rochelle (2019), and AFREN’s Digital Summer School in Palaiseau (2021) for their useful comments and suggestions. Publisher Copyright: © 2023, The Author(s). Peer reviewed

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ HELDA - Digital Repo...arrow_drop_down
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    Journal of Cultural Economics
    Article . 2023 . Peer-reviewed
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    Authors: Guyomard, H.; Bouamra-Mechemache, Zohra; Chatellier, Vincent; Delaby, Luc; +3 Authors

    International audience; Throughout the world, animal production faces huge sustainability challenges. The latter are exacerbated in the European Union (EU) by consumption issues linked, in particular, to the health and environmental impacts of meat consumption, and by the increasing societal concerns linked to animal welfare. Simultaneously, animal production may also provide benefits, notably from an economic and nutritional point of view. Some livestock systems, notably grass-based systems, may also offer positive climatic and environmental effects. Animal production is highly regulated in the EU, whereas the consumption of animal products is not (or very lightly) regulated. Many of the negative and positive effects are public goods that are not well taken into account by private actors and markets. Thus, there is legitimacy and scope for public policies aimed at reducing the damage and increasing the benefits of animal production and consumption. The last part of the paper explains how this could be achieved in the EU through a significantly revised and extended Common Agricultural Policy that more closely follows the principles of public economics. Public regulation principles that are proposed have a more general scope and can be adapted to other livestock contexts.

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    Animal
    Article . 2020
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    Article . 2021
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    Article . 2021 . Peer-reviewed
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      Animal
      Article . 2020
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      Animal
      Article . 2021
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      Animal
      Article . 2021 . Peer-reviewed
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    Authors: Espinosa, Romain; Tago, Damian; Treich, Nicolas;

    Most infectious diseases in humans originate from animals. In this paper, we explore the role of animal farming and meat consumption in the emergence and amplification of infectious diseases. First, we discuss how meat production increases epidemic risks, either directly through increased contact with wild and farmed animals or indirectly through its impact on the environment (e.g., biodiversity loss, water use, climate change). Traditional food systems such as bushmeat and backyard farming increase the risks of disease transmission from wild animals, while intensive farming amplifies the impact of the disease due to the high density, genetic proximity, increased immunodeficiency, and live transport of farmed animals. Second, we describe the various direct and indirect costs of animal-based infectious diseases, and in particular, how these diseases can negatively impact the economy and the environment. Last, we discuss policies to reduce the social costs of infectious diseases. While existing regulatory frameworks such as the "One Health" approach focus on increasing farms' biosecurity and emergency preparedness, we emphasize the need to better align stakeholders' incentives and to reduce meat consumption. We discuss in particular the implementation of a "zoonotic" Pigouvian tax, and innovations such as insect-based food or cultured meat. International audience

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Toulouse 1 Capitole ...arrow_drop_down
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    Authors: Stéphan Marette; Vincent Réquillart;

    International audience; AbstractThis introductory article presents the three main challenges faced in economics to issues raised by dietary models. The first part of this paper examines the dietary models that maximise the health profile of a population under various constraints, including environmental and agronomic criteria. The second part introduces the possibilities of economic modelling to complement these dietary models, despite the limitations of economic approaches. The third part suggests new research proposals by asserting that overlooked questions deserve further scrutiny. We emphasise that economic models are particularly useful to analyse trade-offs between the various objectives underlying a sustainable food system. However, possible improvements should tackle, first, possible substitutions between food categories by consumers; second, adjustments in supply chains; and third, measures of inequality resulting from significant changes towards sustainability. Such improvements may be difficult to realise but are technically possible.; Cet article introductif présente les trois principaux défis auxquels sont confrontés les modèles économiques face aux problèmes soulevés par les modèles alimentaires. La première partie de cet article présente les modèles alimentaires qui maximisent le profil de santé d'une population sous diverses contraintes, incluant des critères environnementaux et agronomiques. La deuxième partie présente les possibilités de modélisation économique permettant de compléter ces modèles alimentaires. La troisième partie suggère de nouvelles propositions de recherche méritant un examen plus approfondi. Nous soulignons que les modèles économiques sont particulièrement utiles pour analyser les compromis entre les différents objectifs définissant un système alimentaire durable. Les améliorations possibles devraient étudier, premièrement, les substitutions possibles entre les catégories d'aliments par les consommateurs, deuxièmement, les ajustements dans les chaînes d'approvisionnement, et troisièmement, les mesures d’inégalités résultant de changements importants pour atteindre la durabilité. De telles améliorations peuvent être difficiles à réaliser, mais elles sont techniquement possibles.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Review of Agricultur...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Review of Agricultural Food and Environmental Studies
    Article . 2020 . Peer-reviewed
    License: Springer TDM
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    Authors: Louis-Georges Soler; Alban Thomas;

    National audience; In the scientific literature, the debate on health and environmental benefits of a reduction in the share of animal-sourced food, in particular beef, in consumer diets is mostly focused on demand-side vs. supply transitions. We discuss in this paper the necessary conditions for a win-win scenario to exist, where consumer preferences for diets with less red meat are accompanied by a transition in livestock production systems towards higher average quality of beef. Trade-offs between quantity and quality of beef at the consumer level, and between domestic and international markets forproducers are presented, as well as the determinants of reduced beef consumption, productivity gains, innovation in quality and environmental impacts in the case of France. We present a simplified model of aggregate consumer surplus and producer profit, with decisions on beef demand, output price and quality, to explore the necessary combination of changes in consumer preferences, producer strategies and public policies, required to produce a win-win scenario. Our experiment provides conditions for a win-win scenario, including increased efficiency on domestic andinternational beef markets and enhanced consumer awareness. We suggest research priorities and policy recommendations for accompanying transition in food preferences and cattle production system.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Toulouse 1 Capitole ...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Review of Agricultural Food and Environmental Studies
    Article . 2020 . Peer-reviewed
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    Authors: Marianne Lefebvre; Estelle Midler; Philippe Bontems;

    International audience; Agriculture is one of the economic sectors most exposed to exogenous risks such as climate hazards and price volatility on agricultural markets. Agricultural policies targeting the adoption of environment-friendly but potentially risk-increasing practices cannot ignore this challenge. Farmers have indeed to decide if they take the foreground risk associated with the adoption of environment-friendly practices, while simultaneously facing exogenous background risk beyond their control. Using a theoretical model and a public good experiment, we analyse the adoption of agri-environmental practices and the effect of agri-environmental subsidies in a context where risks are both foreground and background. While most of the literature on background risk focuses on its impact on individual decisions, we analyse the influence of background risk in a context of strategic uncertainty (contribution to a public good). The results highlight the potential synergies between greening the CAP and supporting risk management. We find that background risk discourages the adoption of green practices, although it affects all farmland independently from the farmer’s choice of practices (environment friendly or conventional). An incentive payment per hectare of land farmed with green practices increases the adoption of risk-increasing practices but is significantly less effective in the presence of background risk.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Toulouse 1 Capitole ...arrow_drop_down
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    Environmental and Resource Economics
    Article . 2020 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Thomas S. Kraft; Daniel K. Cummings; Vivek V. Venkataraman; Sarah Alami; +9 Authors

    Cooperation in food acquisition is a hallmark of the human species. Given that costs and benefits of cooperation vary among production regimes and work activities, the transition from hunting-and-gathering to agriculture is likely to have reshaped the structure of cooperative subsistence networks. Hunter–gatherers often forage in groups and are generally more interdependent and experience higher short-term food acquisition risk than horticulturalists, suggesting that cooperative labour should be more widespread and frequent for hunter–gatherers. Here we compare female cooperative labour networks of Batek hunter–gatherers of Peninsular Malaysia and Tsimane forager–horticulturalists of Bolivia. We find that Batek foraging results in high daily variation in labour partnerships, facilitating frequent cooperation in diffuse networks comprised of kin and non-kin. By contrast, Tsimane horticulture involves more restricted giving and receiving of labour, confined mostly to spouses and primary or distant kin. Tsimane women also interact with few individuals in the context of hunting/fishing activities and forage mainly with spouses and primary kin. These differences give rise to camp- or village-level networks that are more modular (have more substructure when partitioned) among Tsimane horticulturalists. Our findings suggest that subsistence activities shape the formation and extent of female social networks, particularly with respect to connections with other women and non-kin. We discuss the implications of restricted female labour networks in the context of gender relations, power dynamics and the adoption of farming in humans. This article is part of the theme issue ‘Cooperation among women: evolutionary and cross-cultural perspectives’.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Europe PubMed Centra...arrow_drop_down
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Philosophical Transactions of the Royal Society B Biological Sciences
    Article . 2022 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Europe PubMed Centra...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Philosophical Transactions of the Royal Society B Biological Sciences
      Article . 2022 . Peer-reviewed
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    Authors: Shyamalika Gopalan; Richard E.W. Berl; Justin W. Myrick; Zachary H. Garfield; +10 Authors

    It is commonly thought that the spread of agriculture and farmers led to the decline of hunter-gatherer populations. A new study found that the demographic responses of Ethiopian foragers to this major cultural transition have been more diverse than anticipated. International audience

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Current Biologyarrow_drop_down
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    Current Biology
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Current Biology
    Article . 2022 . Peer-reviewed
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    Article . 2022 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Current Biologyarrow_drop_down
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Authors: Kraft, Thomas S.; Cummings, Daniel K.; Venkataraman, Vivek V.; Alami, Sarah; +9 Authors

    Cooperation in food acquisition is a hallmark of the human species. Given that costs and benefits of cooperation vary among production regimes and work activities, the transition from hunting-and-gathering to agriculture is likely to have reshaped the structure of cooperative subsistence networks. Hunter–gatherers often forage in groups and are generally more interdependent and experience higher short-term food acquisition risk than horticulturalists, suggesting that cooperative labour should be more widespread and frequent for hunter–gatherers. Here we compare female cooperative labour networks of Batek hunter–gatherers of Peninsular Malaysia and Tsimane forager-horticulturalists of Bolivia. We find that Batek foraging results in high daily variation in labour partnerships, facilitating frequent cooperation in diffuse networks comprised kin and non-kin. By contrast, Tsimane horticulture involves more restricted giving and receiving of labour, confined mostly to spouses and primary or distant kin. Tsimane women also interact with few individuals in the context of hunting/fishing activities and forage mainly with spouses and primary kin. These differences give rise to camp- or village-level networks that are more modular (have more substructure when partitioned) among Tsimane horticulturalists. Our findings suggest that subsistence activities shape the formation and extent of female social networks, particularly with respect to connections with other women and non-kin. We discuss the implications of restricted female labour networks in the context of gender relations, power dynamics and the adoption of farming in humans.This article is part of the theme issue ‘Cooperation among women: evolutionary and cross-cultural perspectives’.

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    Authors: Marc Ivaldi; Ambre Nicolle; Frank Verboven; Jiekai Zhang;

    Do new digital consumption channels of music depress sales in old physical ones, or are they complementary? To answer this question, we exploit product-level variation in sales and prices of over 4 million products, observed weekly between 2014 and 2017 for the entire French market. A unique feature of our data is that we observe sales for both physical and digital products, as well as streaming consumption. At the track-level, we find that streaming displaces digital sales. At the more aggregate artist-level, digital sales displace physical sales, but streaming implies a promotional effect on physical sales. This complementarity is driven by popular genres, i.e., Pop and Variety. Most of our findings are robust to whether we consider the hits or include the products that belong to the long tail. Our findings bridge two streams of literature as we show that displacement between consumption channels at the product level can coexist with complementarity at a more aggregate level. Funding Information: We are grateful for the financial and intellectual support we received from Département des Etudes, de la Prospective et des Statistiques (DEPS) from the French Ministry of Culture (Under Convention DEPS/FJJL-TSE, 2018). This project has also been funded by the Agence Nationale de la Recherche (Under Grant ANR-17-EURE-0010, Future Investment program). We thank Luis Aguiar, Tobias Kretschmer, Johannes Loh, and Yann Nicolas, as well as seminar participants at ISTO’s Research Days in Munich (2019), AFREN’s Digital Summer School in La Rochelle (2019), and AFREN’s Digital Summer School in Palaiseau (2021) for their useful comments and suggestions. Publisher Copyright: © 2023, The Author(s). Peer reviewed

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    Journal of Cultural Economics
    Article . 2023 . Peer-reviewed
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    Authors: Guyomard, H.; Bouamra-Mechemache, Zohra; Chatellier, Vincent; Delaby, Luc; +3 Authors

    International audience; Throughout the world, animal production faces huge sustainability challenges. The latter are exacerbated in the European Union (EU) by consumption issues linked, in particular, to the health and environmental impacts of meat consumption, and by the increasing societal concerns linked to animal welfare. Simultaneously, animal production may also provide benefits, notably from an economic and nutritional point of view. Some livestock systems, notably grass-based systems, may also offer positive climatic and environmental effects. Animal production is highly regulated in the EU, whereas the consumption of animal products is not (or very lightly) regulated. Many of the negative and positive effects are public goods that are not well taken into account by private actors and markets. Thus, there is legitimacy and scope for public policies aimed at reducing the damage and increasing the benefits of animal production and consumption. The last part of the paper explains how this could be achieved in the EU through a significantly revised and extended Common Agricultural Policy that more closely follows the principles of public economics. Public regulation principles that are proposed have a more general scope and can be adapted to other livestock contexts.

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    Article . 2021
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    Animal
    Article . 2020
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    Article . 2021
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    Animal
    Article . 2021 . Peer-reviewed
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      Article . 2020
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      Article . 2021
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      Animal
      Article . 2021 . Peer-reviewed
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    Authors: Espinosa, Romain; Tago, Damian; Treich, Nicolas;

    Most infectious diseases in humans originate from animals. In this paper, we explore the role of animal farming and meat consumption in the emergence and amplification of infectious diseases. First, we discuss how meat production increases epidemic risks, either directly through increased contact with wild and farmed animals or indirectly through its impact on the environment (e.g., biodiversity loss, water use, climate change). Traditional food systems such as bushmeat and backyard farming increase the risks of disease transmission from wild animals, while intensive farming amplifies the impact of the disease due to the high density, genetic proximity, increased immunodeficiency, and live transport of farmed animals. Second, we describe the various direct and indirect costs of animal-based infectious diseases, and in particular, how these diseases can negatively impact the economy and the environment. Last, we discuss policies to reduce the social costs of infectious diseases. While existing regulatory frameworks such as the "One Health" approach focus on increasing farms' biosecurity and emergency preparedness, we emphasize the need to better align stakeholders' incentives and to reduce meat consumption. We discuss in particular the implementation of a "zoonotic" Pigouvian tax, and innovations such as insect-based food or cultured meat. International audience

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    Authors: Stéphan Marette; Vincent Réquillart;

    International audience; AbstractThis introductory article presents the three main challenges faced in economics to issues raised by dietary models. The first part of this paper examines the dietary models that maximise the health profile of a population under various constraints, including environmental and agronomic criteria. The second part introduces the possibilities of economic modelling to complement these dietary models, despite the limitations of economic approaches. The third part suggests new research proposals by asserting that overlooked questions deserve further scrutiny. We emphasise that economic models are particularly useful to analyse trade-offs between the various objectives underlying a sustainable food system. However, possible improvements should tackle, first, possible substitutions between food categories by consumers; second, adjustments in supply chains; and third, measures of inequality resulting from significant changes towards sustainability. Such improvements may be difficult to realise but are technically possible.; Cet article introductif présente les trois principaux défis auxquels sont confrontés les modèles économiques face aux problèmes soulevés par les modèles alimentaires. La première partie de cet article présente les modèles alimentaires qui maximisent le profil de santé d'une population sous diverses contraintes, incluant des critères environnementaux et agronomiques. La deuxième partie présente les possibilités de modélisation économique permettant de compléter ces modèles alimentaires. La troisième partie suggère de nouvelles propositions de recherche méritant un examen plus approfondi. Nous soulignons que les modèles économiques sont particulièrement utiles pour analyser les compromis entre les différents objectifs définissant un système alimentaire durable. Les améliorations possibles devraient étudier, premièrement, les substitutions possibles entre les catégories d'aliments par les consommateurs, deuxièmement, les ajustements dans les chaînes d'approvisionnement, et troisièmement, les mesures d’inégalités résultant de changements importants pour atteindre la durabilité. De telles améliorations peuvent être difficiles à réaliser, mais elles sont techniquement possibles.

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    Review of Agricultural Food and Environmental Studies
    Article . 2020 . Peer-reviewed
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    Authors: Louis-Georges Soler; Alban Thomas;

    National audience; In the scientific literature, the debate on health and environmental benefits of a reduction in the share of animal-sourced food, in particular beef, in consumer diets is mostly focused on demand-side vs. supply transitions. We discuss in this paper the necessary conditions for a win-win scenario to exist, where consumer preferences for diets with less red meat are accompanied by a transition in livestock production systems towards higher average quality of beef. Trade-offs between quantity and quality of beef at the consumer level, and between domestic and international markets forproducers are presented, as well as the determinants of reduced beef consumption, productivity gains, innovation in quality and environmental impacts in the case of France. We present a simplified model of aggregate consumer surplus and producer profit, with decisions on beef demand, output price and quality, to explore the necessary combination of changes in consumer preferences, producer strategies and public policies, required to produce a win-win scenario. Our experiment provides conditions for a win-win scenario, including increased efficiency on domestic andinternational beef markets and enhanced consumer awareness. We suggest research priorities and policy recommendations for accompanying transition in food preferences and cattle production system.

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    Review of Agricultural Food and Environmental Studies
    Article . 2020 . Peer-reviewed
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    Authors: Marianne Lefebvre; Estelle Midler; Philippe Bontems;

    International audience; Agriculture is one of the economic sectors most exposed to exogenous risks such as climate hazards and price volatility on agricultural markets. Agricultural policies targeting the adoption of environment-friendly but potentially risk-increasing practices cannot ignore this challenge. Farmers have indeed to decide if they take the foreground risk associated with the adoption of environment-friendly practices, while simultaneously facing exogenous background risk beyond their control. Using a theoretical model and a public good experiment, we analyse the adoption of agri-environmental practices and the effect of agri-environmental subsidies in a context where risks are both foreground and background. While most of the literature on background risk focuses on its impact on individual decisions, we analyse the influence of background risk in a context of strategic uncertainty (contribution to a public good). The results highlight the potential synergies between greening the CAP and supporting risk management. We find that background risk discourages the adoption of green practices, although it affects all farmland independently from the farmer’s choice of practices (environment friendly or conventional). An incentive payment per hectare of land farmed with green practices increases the adoption of risk-increasing practices but is significantly less effective in the presence of background risk.

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    Environmental and Resource Economics
    Article . 2020 . Peer-reviewed
    License: Springer TDM
    Data sources: Crossref
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