Dr. Christos Michalakelis is an Assistant Professor at the Department of Informatics and Telematics, Harokopio University of Athens. He is teaching a number of courses related to telecommunications, technoeconomics of high technology markets, economics of digital technology, mathematics, etc. He has participated in a number of projects concerning the design and implementation of database systems, as well as in several technoeconomic and socioeconomic activities for telecommunications, networks and services. Dr. Michalakelis research interests focus on the technoeconomics engineering in the ICT area and the development of a framework including the forecasting of demand for services/ products, competition, application of economic theories, modeling of processes, construction of price indices, estimation of total cost of ownership (TCO), return on investments (ROI), energy efficiency and resource allocation, etc. He is currently working on the technoeconomics of the