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  • Changes to the Extrapolation Method for Global Poverty Estimation (anglais)

    This technical note summarizes changes to how the Poverty and Inequality Platform (PIP) lines up survey-based estimates of poverty to a common reference year. The prior line-up method assumed that welfare...

    Type de document: Document de travail (série numérotée) Numéro du rapport: 188330 Date du document: 27 mars 2024 Mode de publication: Disclosed Auteur: Mahler,Daniel Gerszon,Newhouse,David Locke

  • New Evidence on Inequality of Opportunity in Sub-Saharan Africa : More Unequal Than We Thought (anglais)

    Unequal access to economic opportunity for individuals with different innate characteristics, such as ethnicity or parents’ socioeconomic status, is often seen as both morally undesirable and bad for economic...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10723 Date du document: 18 mars 2024 Mode de publication: Disclosed Auteur: Atamanov,Aziz,Cuevas,Pablo Facundo,Lebow,Jeremy Aaron,Mahler,Daniel Gerszon

  • September 2023 Update to the Poverty and Inequality Platform (PIP) - What's New (anglais)

    The September 2023 update to the Poverty and Inequality Platform (PIP) involves several changes to the data underlying the global poverty estimates. In particular, some welfare aggregates have been revised...

    Type de document: Document de travail (série numérotée) Numéro du rapport: 184889 Date du document: 15 septembre 2023 Mode de publication: Disclosed Auteur: Aron,Danielle Victoria,R.Andres Castaneda Aguilar,Diaz-Bonilla,Carolina,Maria Gabriela Farfan Betran,Foster,Elizabeth Mary,Fujs,Tony Henri Mathias Jany,Jolliffe,Dean Mitchell,Krishnan,Nandini,Lakner,Christoph,Lara Ibarra,Gabriel,Mahler,Daniel Gerszon

  • What Makes Public Sector Data Valuable for Development? (anglais)

    Data produced by the public sector can have transformational impacts on development outcomes through better targeting of resources, improved service delivery, cost savings, increased accountability, and...

    Type de document: Article de revue Numéro du rapport: 184760 Date du document: 14 avril 2023 Mode de publication: Disclosed Auteur: Jolliffe,Dean Mitchell,Mahler,Daniel Gerszon,Veerappan,Malarvizhi,Kilic,Talip,Wollburg,Philip Randolph

  • September 2022 Update to the Poverty and Inequality Platform (PIP) : What’s New (anglais)

    The September 2022 update to the Poverty and Inequality Platform (PIP) involves two changes to the data underlying the global poverty estimates. First, this update adopts the 2017 Purchasing Power Parities...

    Type de document: Fiche Numéro du rapport: 175886 Date du document: 1 mars 2023 Mode de publication: Disclosed Auteur: R.Andres Castaneda Aguilar,Diaz-Bonilla,Carolina,Fujs,Tony Henri Mathias Jany,Jolliffe,Dean Mitchell,Lakner,Christoph,Mahler,Daniel Gerszon,Nguyen,Minh Cong,Schoch,Marta,Tetteh Baah,Samuel Kofi,Viveros Mendoza,Martha Celmira

  • March 2023 Update to the Poverty and Inequality Platform (PIP) : What’s New (anglais)

    The March 2023 update to the Poverty and Inequality Platform (PIP) involves several changes to the data underlying the global poverty estimates. In particular, some welfare aggregates have been revised...

    Type de document: Document de travail Numéro du rapport: 181012 Date du document: 1 mars 2023 Mode de publication: Disclosed Auteur: R.Andres Castaneda Aguilar,Diaz-Bonilla,Carolina,Fujs,Tony Henri Mathias Jany,Jolliffe,Dean Mitchell,Kotikula,Aphichoke,Lakner,Christoph,Lara Ibarra,Gabriel,Mahler,Daniel Gerszon,Montalva Talledo,Veronica Sonia,Nguyen,Minh Cong

  • The Climate Implications of Ending Global Poverty (anglais)

    Previous studies have explored potential conflicts between ending poverty and limiting global warming, by focusing on the carbon emissions of the world’s poorest. This paper instead focuses on economic...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10318 Date du document: 24 février 2023 Mode de publication: Disclosed Auteur: Wollburg,Philip Randolph,Hallegatte,Stephane,Mahler,Daniel Gerszon

  • Nowcasting Global Poverty (anglais)

    This paper evaluates different methods for nowcasting country-level poverty rates, including methods that apply statistical learning to large-scale country-level data obtained from the World Development...

    Type de document: Article de revue Numéro du rapport: 186346 Date du document: 6 octobre 2022 Mode de publication: Disclosed Auteur: Mahler,Daniel Gerszon,R. Andrés Castañeda Aguilar,Newhouse,David Locke

  • The Impact of COVID-19 on Global Inequality and Poverty (anglais)

    The COVID-19 pandemic has had catastrophic economic and human consequences worldwide. This paper tries to quantify the consequences of the pandemic on global inequality and poverty in 2020. Since face-to-face...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10198 Date du document: 5 octobre 2022 Mode de publication: Disclosed Auteur: Mahler,Daniel Gerszon,Yonzan,Nishant,Lakner,Christoph

  • When Is There Enough Data to Create a Global Statistic ? (anglais)

    To monitor progress toward global goals such as the Sustainable Development Goals, global statistics are needed. Yet cross-country data sets are rarely truly global, creating a trade-off for producers...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10034 Date du document: 5 mai 2022 Mode de publication: Disclosed Auteur: Mahler,Daniel Gerszon,Serajuddin,Umar,Maeda,Hiroko

  • April 2022 Update to the Poverty and Inequality Platform (PIP) : What's New (anglais)

    The April 2022 update to the newly launched Poverty and Inequality Platform (PIP) involves several changes to the data underlying the global poverty estimates. Some welfare aggregates have been changed...

    Type de document: Document de travail Numéro du rapport: 170194 Date du document: 1 avril 2022 Mode de publication: Disclosed Auteur: R.Andres Castaneda Aguilar,Dewina,Reno,Diaz-Bonilla,Carolina,Edochie,Ifeanyi Nzegwu,Fujs,Tony Henri Mathias Jany,Jolliffe,Dean Mitchell,Lain,Jonathan William,Lakner,Christoph,Lara Ibarra,Gabriel,Mahler,Daniel Gerszon

  • Assessing the Impact of the 2017 PPPs on the International Poverty Line and Global Poverty (anglais)

    Purchasing power parity exchange rates (PPPs) are used to estimate the international poverty line (IPL) in a common currency and account for relative price differences across countries when measuring global...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9941 Date du document: 21 février 2022 Mode de publication: Disclosed Auteur: Jolliffe,Dean Mitchell,Mahler,Daniel Gerszon,Lakner,Christoph,Atamanov,Aziz,Tetteh Baah,Samuel Kofi

  • COVID-19 and Economic Inequality : Short-Term Impacts with Long-Term Consequences (anglais)

    This paper examines the short-term implications of the COVID-19 pandemic for inequality in developing countries. The analysis takes advantage of high-frequency phone survey data collected by the World...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9902 Date du document: 13 janvier 2022 Mode de publication: Disclosed Auteur: Narayan,Ambar,Cojocaru,Alexandru,Agrawal,Sarthak,Bundervoet,Tom,Davalos,Maria Eugenia,Garcia,Natalia,Lakner,Christoph,Mahler,Daniel Gerszon,Montalva Talledo,Veronica Sonia,Ten,Andrey,Yonzan,Nishant

  • Nowcasting Global Poverty (anglais)

    This paper evaluates different methods for nowcasting country-level poverty rates, including methods that apply statistical learning to large-scale country-level data obtained from the World Development...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9860 Date du document: 1 novembre 2021 Mode de publication: Disclosed Auteur: Mahler,Daniel Gerszon,Castaneda Aguilar,Raul Andres,Newhouse,David Locke

  • Under What Conditions Are Data Valuable for Development ? (anglais)

    Data produced by the public sector can have transformational impacts on development outcomes through better targeting of resources, improved service delivery, cost savings in policy implementation, increased...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9811 Date du document: 19 octobre 2021 Mode de publication: Disclosed Auteur: Jolliffe,Dean Mitchell,Mahler,Daniel Gerszon,Veerappan,Malarvizhi,Kilic,Talip,Wollburg,Philip Randolph

  • Poverty, Median Incomes, and Inequality in 2021 : A Diverging Recovery (anglais)

    Weak recovery in the world’s poorest countries has resulted in persisting income losses among poor people, higher global poverty, and increasing inequality. Faltering growth in some middle-income countries...

    Type de document: Document de travail Numéro du rapport: 165835 Date du document: 7 septembre 2021 Mode de publication: Disclosed Auteur: Hill,Ruth,Lakner,Christoph,Mahler,Daniel Gerszon,Narayan,Ambar,Yonzan,Nishant

  • Intergenerational Mobility around the World (anglais)

    Using individual data from over 400 surveys, this paper compiles a global database of intergenerational mobility in education for 153 countries covering 97 percent of the world’s population. For 87 percent...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9707 Date du document: 22 juin 2021 Mode de publication: Disclosed Auteur: Van Der Weide,Roy,Lakner,Christoph,Mahler,Daniel Gerszon,Narayan,Ambar,Nichanametla Ramasubbaiah,Rakesh Gupta

  • Death and Destitution : The Global Distribution of Welfare Losses from the COVID-19 Pandemic (anglais)

    The COVID-19 pandemic has brought about massive declines in well-being around the world. This paper seeks to quantify and compare two important components of those losses—increased mortality and higher...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9673 Date du document: 24 mai 2021 Mode de publication: Disclosed Auteur: Ferreira,Francisco H. G.,Sterck,Olivier Christian Brigitte,Mahler,Daniel Gerszon,Decerf,Benoit Marie A

  • March 2021 PovcalNet Update : What’s New (anglais)

    The March 2021 update to PovcalNet involves several changes to the data underlying the global poverty estimates. Some welfare aggregates have been changed for improved harmonization, and the CPI, national...

    Type de document: Document de travail Numéro du rapport: 157363 Date du document: 12 mars 2021 Mode de publication: Disclosed Auteur: Arayavechkit,Tanida,Atamanov,Aziz,Barreto Herrera,Karen Yiseth,Belghith,Nadia Belhaj Hassine,Castaneda Aguilar,Raul Andres,Fujs,Tony Henri Mathias Jany,Dewina,Reno,Diaz-Bonilla,Carolina,Edochie,Ifeanyi Nzegwu,Jolliffe,Dean Mitchell,Lakner,Christoph,Mahler,Daniel Gerszon,Montes,Jose,Moreno Herrera,Laura Liliana,Mungai,Rose,Newhouse,David Locke,Nguyen,Minh Cong,Sanchez Castro,Diana Marcela,Schoch,Marta,Sharma,Dhiraj,Simler,Kenneth,Swinkels,Robertus A,Takamatsu,Shinya,Uochi,Ikuko,Viveros Mendoza,Martha Celmira,Yonzan,Nishant,Yoshida,Nobuo,Wu,Haoyu