Sources: Malawi: Kilic, T., Palacios-Lopez, A., & Goldstein, M. (2015). Caught in a productivity trap: A distributional perspective on gender differences in Malawian agriculture. World Development, 70, 416-463. Niger: Backiny-Yetna, P., McGee, K., & Mcgee, K. R. (2015). Gender differentials and agricultural productivity in Niger. World Bank Policy Research Working Paper, (7199). Northern Nigeria: Oseni, G., Corral, P., Goldstein, M., & Winters, P. (2015). Explaining gender differentials in agricultural production in Nigeria. Agricultural Economics, 46(3), 285-310. Tanzania: Slavchevska, V. (2015). Gender differences in agricultural productivity: the case of Tanzania. Agricultural Economics, 46(3), 335-355.