The GGDC organizes a conference on June 15–17 2020 in Groningen, on the themes central to GGDC, namely long-run economic development, trade and technology. The conference will feature keynote speeches by Carol Graham (Brookings, Maryland), Branko Milanovic (CUNY, Maddison chair in Groningen), Mary O'Mahony (King's College) and Hylke Vandenbussche (Leuven). We welcome submissions to present your research, see the Call for Papers. Full papers are due by January 15, 2020.