• Where and How is Money Spent on International Migration and Refugees by World Bank Operational Projects (with Charlotte Muller and Pablo Acosta), World Bank Policy Research Working Paper no. 11141, June 2025 (replication data)

• Using Post-Double Selection Lasso in Field Experiments (revised version December 2025, earlier World Bank Working Paper version September 2024) (with Jacobus Cilliers and Nour Elashmawy) (Development Impact blogpost, Slides). Note the revision discusses a lot more whether and when to use the method, while the working paper has more details on how to use it.

Resting Papers

• Micro-Equity for Microenterprises (with Suresh de Mel and Chris Woodruff), World Bank Policy Research Working Paper no. 8799, April 2019.

• Innovative Firms or Innovative Owners? Determinants of Innovation in Micro, Small, and Medium Enterprises with S. de Mel and C. Woodruff, World Bank Policy Research Working Paper No. 4934.