List of World Bank Policy Research Working Papers—July 2026

The latest insights from the world’s largest working-paper series focused on development economics and developing countries.

July 2026

PEOPLE

WPS11425. Human Capital Expenditure and Its Effectiveness on Multi-Program Coverage: A Policy Prioritization Investigation. Omar A. Guerrero, Daniele Guariso, Gonzalo Castaneda, and Michael Weber | Verified Reproducible WPS11427. Regularization and the Formation of Social Capital: Evidence from Forced Migrants in Colombia. Sandra V. Rozo | Verified Reproducible WPS11429. Consequences of Growing Up Displaced: Evidence from Displaced Children in Colombia. Tatiana Hiller, Andrés Moya, and Sandra V. Rozo | Verified Reproducible WPS11431. Labor Market Effects of Public Employment Guarantee. Yasmine Elkhateeb, Nelly Elmallakh, Luca Flabbi, Roberta Gatti, and Mohamed Saleh| Verified Reproducible

PROSPERITY

WPS11424. Fusing Data Sources to Measure Multidimensional Poverty. Ben J. Brunckhorst, Minh C. Nguyen, Nishant Yonzan, Hai-Anh Dang, and Christoph Lakner | Verified Reproducible WPS11428. Stanley Fischer Memorial Lecture: Public Debt and Central Banks—The World Bank Group ABCDE Conference. David R. Malpass WPS11432. Selection or More Capital? Experimental Evidence on High-Growth Entrepreneurs in Kenya. Francisco Campos, Abla Safir, Celine Koffka, David McKenzie, and Bilal Zia| Verified Reproducible WPS11433. How to Build a Reader: Evidence from a Scalable Literacy Intervention in Ghana. Erik T. J. Andersen, Simon Graffy, Jason T. Kerwin, and Monica Lambon-Quayefio| Verified Reproducible

PLANET

WPS11430. The Long-Run Impacts of Protected Areas on Income, Birds, and Tourism in South Africa. Dennis Engist, Gabriel Englander, Alan Lee, and Frederik Noack | Verified Reproducible

DIGITAL

WPS11426. Cheap Energy Might Not Be Enough: A Trade Model of AI Compute Services. Michael Lokshin | Verified Reproducible

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