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  • Designing and Analyzing Powerful Experiments : Practical Tips for Applied Researchers (anglais)

    This paper offers practical advice on how to improve statistical power in randomized experiments through choices and actions researchers can take at the design, implementation, and analysis stages. At...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS11176 Date du document: 21 juillet 2025 Mode de publication: Disclosed Auteur: McKenzie, David


  • The Lasting Impact of Personal Initiative Training (anglais)

    A large share of jobs in low-income countries are found in self-employment and small firms. Standard business training programs aim to increase the incomes in these firms by teaching a set of business...

    Type de document: Fiche Numéro du rapport: 201277 Date du document: 8 mai 2025 Mode de publication: Disclosed Auteur: Campos, Francisco,Frese, Michael,Iacovone, Leonardo,Johnson, Hillary C.,Mensmann, Mona,McKenzie, David

  • Long-Term and Lasting Impacts of Personal Initiative Training on Entrepreneurial Success (anglais)

    A randomized experiment in Togo found that personal initiative training for small businesses resulted in large and significant impacts for both men and women after two years (Campos et al, 2017). This...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10938 Date du document: 1 octobre 2024 Mode de publication: Disclosed Auteur: Campos, Francisco Moraes Leitao,Frese, Michael,Iacovone, Leonardo,Johnson, Hillary C.,McKenzie, David,Mensmann, Mona

  • 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,Elashmawy, Nour,McKenzie, David

  • Migration, families, and counterfactual families (anglais)

    Migration changes how families form and dissolve, and how one should conceptualize the family. This has implications for thinking about how the migration decision is modelled when individuals are unable...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10626 Date du document: 5 décembre 2023 Mode de publication: Disclosed Auteur: Bertoli, Simone,McKenzie, David,Murard, Elie

  • Job Training and Job Search Assistance Policies in Developing Countries (anglais)

    Governments around the developing world face pressure to intervene actively to help jobseekers find employment. Two of the most common policies used are job training, based on the idea that many of those...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10576 Date du document: 28 septembre 2023 Mode de publication: Disclosed Auteur: Carranza, Eliana,McKenzie, David

  • Training Microentrepreneurs over Zoom : Experimental Evidence from Mexico (anglais)

    Standard in-person business training programs are costly and difficult to scale to the millions of microenterprises in the developing world. The authors conducted an experiment to test the feasibility...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10574 Date du document: 26 septembre 2023 Mode de publication: Disclosed Auteur: Davies, Elwyn,Deffebach, Peter,Iacovone, Leonardo,McKenzie, David


  • Experimental evidence on returns to capital and access to finance in Mexico (anglais)

    A strong theoretical argument for focusing on access to finance is that financial market imperfections can result in large inefficiencies, as firms with productive investment opportunities underinvest...

    Type de document: Article de revue Numéro du rapport: 77578 Date du document: 1 décembre 2008 Mode de publication: Disclosed Auteur: McKenzie, David, Woodruff, Christopher