New data from a World Bank study that compares farm policies around the world since 1955 shows for the first time just how far today’s African governments have gone to reduce the cost to farmers of the export taxes, marketing boards, and other interventions imposed by previous regimes (www.worldbank.org/agdistortions). Africa’s policy-induced price distortions peaked in the late 1970’s, and reforms since then have removed about two-thirds of that burden, greatly facilitating productivity growth and poverty alleviation.