OUP accepted manuscript

This is the accepted manuscript version of the work published in its final form as Díaz-Martin, L., Gopalan, A., Guarnieri, E., & Jayachandran, S. (2022). Greater than the Sum of the Parts? Evidence on Mechanisms Operating in Women's Groups The World Bank Research Observer. https://doi.org/10.1093/wbro/lkac001 Deposited by shareyourpaper.org and openaccessbutton.org. We've taken reasonable steps to ensure this content doesn't violate copyright. However, if you think it does you can request a takedown by emailing help@openaccessbutton.org