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ProjectComplementarity Study IDsspp-2026-0011-v1 Study Title
Complementarity AuthorsAaditya Mattoo, Anna Tompsett, Eddy (Weijian) Zou Completion Time10 Minutes Close Date (UTC)June 30, 2026 DisciplineEconomics FieldDevelopment Economics CountryGlobal (>10 countries) Abstract A review of evidence about complementarity, defined as happening when multiple interventions have more-than-additive effects on outcomes.
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