nep-nud New Economics Papers
on Nudge and Boosting
Issue of 2026–10–12
two papers chosen by
Marco Novarese, Università degli Studi del Piemonte Orientale
  1. Optimal Paternalistic Regulation of Markets By Julien Combe; Yves Le Yaouanq
  2. Improving households biowaste management: An attitudes and perceptions based typology to identify targeted policy levers By Suzon Garnier; Célestine Guillou; Lynda Aissani; Lisette Ibanez; Jean-Denis Mathias; Anne Tremier; Jean-Marc Blazy; Carla Barlagne
  1. By: Julien Combe; Yves Le Yaouanq
    Abstract: Many markets are regulated for paternalistic reasons. We develop a mechanism-design framework to derive the optimal policy mix between price regulation and quantity controls. A budget-constrained planner allocates trade between privately informed buyers and sellers while disagreeing with their valuations. When the planner’s valuations preserve the ranking of agents, price instruments (e.g., sin taxes) are optimal. When the planner instead believes that a high willingness to trade indicates a bias, optimal regulation can restrict quantities or even prohibit transactions. De-biasing interventions offer two benefits beyond economic regulation: improving selection into markets and, for virtuous goods, raising the volume of trade.
    Keywords: paternalism, mechanism design, market regulation, rationing, sin taxes, nudges
    JEL: D82 D90 D47
    Date: 2026
    URL: https://d.repec.org/n?u=RePEc:ces:ceswps:_13028
  2. By: Suzon Garnier (ASTRO - Agrosystèmes tropicaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Célestine Guillou (ASTRO - Agrosystèmes tropicaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Lynda Aissani (UR OPAALE - Optimisation des procédés en Agriculture, Agroalimentaire et Environnement - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Lisette Ibanez (CEE-M - Centre d'Economie de l'Environnement - Montpellier - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Montpellier - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement - UM - Université de Montpellier); Jean-Denis Mathias (UR LISC - Laboratoire d'ingénierie pour les systèmes complexes - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Anne Tremier (UR OPAALE - Optimisation des procédés en Agriculture, Agroalimentaire et Environnement - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Jean-Marc Blazy (ASTRO - Agrosystèmes tropicaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement); Carla Barlagne (ASTRO - Agrosystèmes tropicaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)
    Abstract: Small island territories such as Guadeloupe face acute challenges in solid waste management and limited recycling of organic residues. Strengthening better household biowaste management is essential to advancing a circular bioeconomy and reducing waste management costs. Composting offers a locally adapted solution that can enhance soil quality, support domestic resource valorization, and divert organic waste from landfills. However, adoption remains limited by behavioural and infrastructural barriers. This study investigates the attitudinal and sociodemographic determinants shaping household biowaste sorting and composting practices in Guadeloupe. The research draws on the COM-B model, which conceptualises behaviour as the interaction of capability, opportunity, and motivation. It also uses the Behaviour Change Wheel to identify key behavioural drivers and design targeted interventions for home and community composting. A household survey (n = 241) was conducted, and behavioural determinants were analysed using binomial probit modelling, principal component analysis, and hierarchical cluster analysis. Results show that physical constraints, such as lack of space and psychological barriers, including perceived complexity and forgetfulness, are the most significant obstacles to composting. Environmental motivation alone is insufficient to induce behavioural change. Three household profiles were identified: indifferent households, motivated and practising households, and motivated but constrained households. Recommendations of targeted policy levers are proposed for each profile to better foster circularity in biowaste management. The study highlights the importance of integrating behavioural insights into circular bioeconomy policies. Differentiated strategies combining education, incentives, and infrastructural support can effectively enhance domestic composting and organic resource recovery in Guadeloupe.
    Keywords: Policies, Interventions, Typology, Guadeloupe, Behaviour Change Wheel, COM-B, Composting, Household biowaste
    Date: 2026–12
    URL: https://d.repec.org/n?u=RePEc:hal:journl:hal-05756516
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This page is being maintained by Thomas Krichel. It was last updated on 2026‒10‒15 at 9:33.