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  • Impacts and Spillovers of a Low-Cost Multifaceted Economic Inclusion Program in Chad (anglais)

    This study analyzes the direct effects and local spillovers of a low-cost multifaceted economic inclusion program through a randomized controlled trial in Chad. The intervention included group savings...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS11084 Date du document: 12 mars 2025 Mode de publication: Disclosed Auteur: Patrick Premand,Pascale Schnitzer



  • Does Free Sound Too Cheap ? The Adverse Effect of a Randomized Text Message Campaign on Program Take-up (anglais)

    This study conducted a randomized experiment to improve participation in a youth employment program in Côte d'Ivoire by testing text message outreach methods. Sending text messages highlighting that the...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS11063 Date du document: 11 février 2025 Mode de publication: Disclosed Auteur: Annan,Jeannie,Mousson Estelle Jamel Koussoube,Josephine Tassy,Lea Marie Rouanet,Clara Delavallade,Evans,David

  • Lying to the Taxman or Accepting a Helping Hand ? Evidence from a Novel Experiment on SMEs in Tanzania (anglais)

    This paper presents the results from a novel field experiment that examined the impact of in- creasing the presence of revenue authority officers on tax compliance and tax morale among small and medium-size...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS11062 Date du document: 10 février 2025 Mode de publication: Disclosed Auteur: Revocatus Washington Paul,Mdee,Ephraim,Fimbo,Massaga,Jonathan George Karver,Zain Chaudhry,Christopher Alexander Hoy

  • Working for Yourself or for Your Kids ? Childcare Expansion Policy in Uzbekistan (anglais)

    In developed countries, public childcare programs have increased maternal employment by easing time constraints. However, their impact in lower-middle-income settings with multigenerational households...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS11038 Date du document: 15 janvier 2025 Mode de publication: Disclosed Auteur: Abdurazzakova,Dilnovoz,Chiyu Niu,Avralt-Od Purevjav


  • Local Knowledge, Formal Evidence, and Policy Decisions (anglais)

    How do policymakers value advice from local experts versus formal evidence from impact evaluations when making policy decisions? Using a discrete choice experiment conducted in collaboration with the World...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10994 Date du document: 9 décembre 2024 Mode de publication: Disclosed Auteur: Vivalt, Eva,Aidan Coville,KC,Sampada

  • Can Facebook Ads Prevent Malaria ? Two Field Experiments in India (anglais)

    This study uses a cluster randomized controlled trial to evaluate the impact of a nationwide malaria prevention advertising campaign delivered through social media in India. Ads were randomly assigned...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10967 Date du document: 5 novembre 2024 Mode de publication: Disclosed Auteur: Donati,Dante,Rao,Nandan,Victor Hugo Orozco Olvera,Ana Maria Munoz Boudet

  • Using Post-Double Selection Lasso in Field Experiments (anglais)

    The post-double selection Lasso estimator has become a popular way of selecting control variables when analyzing randomized experiments. This is done to try to improve precision, and reduce bias from attrition...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10931 Date du document: 26 septembre 2024 Mode de publication: Disclosed Auteur: Cilliers,Jacobus,Nour Elashmawy,David McKenzie

  • Learning When Schools Shutdown : Impacts of H1N1 Outbreak on Learning Loss and Learning Gaps (anglais)

    This paper contributes to the growing body of evidence on the effects of school closures on learning outcomes, focusing on a recent event in a developing country. During the 2009 H1N1 pandemic outbreak...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10879 Date du document: 26 août 2024 Mode de publication: Disclosed Auteur: Amorim,Vivian,Caio Piza,Lautharte Jr.,Ildo José

  • The Fertility Impacts of Development Programs (anglais)

    This paper examines how women’s fertility responds to increases in their earnings and household wealth, using six experiments conducted in Sub-Saharan Africa. Contrary to predictions that an increase in...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10848 Date du document: 10 juillet 2024 Mode de publication: Disclosed Auteur: Aletheia Amalia Donald,Markus Goldstein,Tricia Koroknay-Palicz,Sage,Mathilde

  • Therapy, Mental Health, and Human Capital Accumulation among Adolescents in Uganda (anglais)

    Using a cluster-randomized trial, this paper evaluates the impact of group-based interpersonal therapy on mental health and human capital accumulation among adolescent girls in Uganda who were at risk...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10849 Date du document: 10 juillet 2024 Mode de publication: Disclosed Auteur: Baird,Sarah,Berk Ozler,Dell'Aira,Chiara,Parisotto,Luca,Us-Salam,Danish

  • How Culturally Wise Psychological Interventions Help Reduce Poverty (anglais)

    Poverty is multidimensional, associated not only with a lack of financial resources, but also often social-psychological constraints, such as diminished agency and aspirations. Through a series of field...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10824 Date du document: 26 juin 2024 Mode de publication: Disclosed Auteur: Thomas,Catherine,Patrick Premand,Thomas Bossuroy,Sambo,Soumaila Abdoulaye,Markus,Hazel,Walton,Gregory

  • Private Provisioning of Employment Services : Experimental Evidence from Bosnia and Herzegovina (anglais)

    This paper examines the effect of compensating a private sector provider of employment services for successful placement of jobseekers with employers. Within this program, active job matching, relative...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10826 Date du document: 26 juin 2024 Mode de publication: Disclosed Auteur: Balavac-Orlic,Merima,John T. Giles,Siddharth Hari,Mirey Ovadiya



  • Empowering Adolescent Girls through Safe Spaces and Accompanying Measures in Côte d’Ivoire (anglais)

    This study uses a cluster-randomized controlled trial to investigate the effects of a large-scale women and girls empowerment program on sexual and reproductive health and empowerment outcomes in Côte...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10721 Date du document: 14 mars 2024 Mode de publication: Disclosed Auteur: Othmane Boulhane,Claire Elise Boxho,Kanga,Désiré,Mousson Estelle Jamel Koussoube,Lea Marie Rouanet

  • Cross-Country Empirical Analysis of GovTech Platforms on Citizen Engagement (anglais)

    Countries worldwide are implementing GovTech reforms to modernize the public sector and achieve better performance while responding to citizens’ needs. At its core, GovTech represents a whole-of-government...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10716 Date du document: 5 mars 2024 Mode de publication: Disclosed Auteur: World Bank