This book reports on cutting-edge legal, ethical, social and economic issues relating to robotics and automation, human-machine interaction and artificial intelligence, in different application areas. It discusses important problems such as robotic taxation, social inequality, protection of neuro-human and children rights, among others. It describes current advances and challenges in robotic regulation and governance, as well as findings relating to sustainability of robotic industries, thus filling an important gap in the robotic and AI literature. Chapters consists of revised and extended contributions to the workshop session "Debate on legal, ethical & socio-economic aspects of interactive robotics" of INBOTS 2021, held virtually on May 18-20, 2021.