These proceedings constitute a selection of best papers from the 3rd International Conference on Economics and Social Sciences, Innovative Models to Revive the Global Economy, ICESS 2020, held in Bucharest, Romania, in October 2020.This book is a collection of research findings and perspectives related to recent economic challenges determined by the global crisis due to COVID 19, led by the set of improvements and changes in the economic, societal, and technological structures and processes towards the effort of reaching the sustainability goals.  During a crisis, countries, and businesses...