PhD Candidate George Siokas participated in the international scientific conference “4th SmartBlueCity Euro-Mediterranean Conference-Exhibition” which took part in hybrid form,  at the Divani Caravel Hotel in Athens, Greece. At the conference, the title of his presentation was “The Economic Impact of the Smart City on the Greek National Economy based on Input-Output Analysis”. The co-authors of the presentation are Dimitris Stamopoulos, Petros Dimas and the Associate Professor NTUA Angelos Tsakanikas. The presentation took place on Saturday, October 10, 2020, at 10:00, in Thematic Unit 7 entitled “Tools and Technologies for Informed Decision-Making”.