Ellen Hillbom is an Associate Professor at the Department of Economic History, Lund University, Sweden. Her research focuses on Southern and Eastern Africa and addresses both historical and contemporary cases of agricultural and structural transformation, long-term inequality trends, natural resource dependency, property rights regimes governing agricultural resources, and smallholder production and commercialization. Jutta Bolt is an Associate Professor at the Department of Economic History, Lund University, Sweden and affiliated with the University of Groningen, the Netherlands. Her research focuses on understanding long-term comparative economic development patterns, with a special focus on Africa. Current research projects include demographic developments, long-term agricultural productivity and the historical origins of present-day income inequality. In addition she works in the Maddison Project measuring long-run global economic development.