Human mobility and innovation spreading in ancient times: a stochastic agent-based simulation approach Nataša Djurdjevac Conrad, Luzie Helfmann, Johannes Zonker, Stefanie Winkelmann and Christof Schütte EPJ Data Sci., 7 1 (2018) 24 Published online: 13 July 2018 DOI: 10.1140/epjds/s13688-018-0153-9