1. The document examines how collective action through women's groups in rural Bangladesh has impacted gender inequality in asset ownership over a 10-year period. 2. It finds that agricultural technology disseminated through women's groups led to greater growth in women's assets relative to men's assets within the same household, compared to technology targeted at individuals. 3. While overall household assets and poverty levels increased across all intervention sites, programs that utilized women's groups were more effective at improving individual nutrition outcomes for women and children.