Andrianesis, Panagiotis; Liberopoulos, George; Sakellaris, Kostis and Vlachos, Andreas (2008): Impact of Reserve and Fixed Costs on the Day-Ahead Scheduling Problem in Greeceās Electricity Market. Unpublished.
Bitros, George C. (2009): The Theorem of Proportionality in Mainstream Capital Theory: An Assessment of its Conceptual Foundations. Unpublished.
Bitros, George C. (2010): The Puzzle of the Replacement Ratio in the Context of Renewal Theory. Unpublished.
Bitros, George C. and Karayiannis, Anastassios D. (2008): Entrepreneurial Morality: Some Indications from Greece. Unpublished.
Louri, Helen; Peppas, Costas and Tsionas, Efthymios (2006): Foreign presence, technical efficiency and firm survival in Greece: a simultaneous equation model with latent variables approach. Published in: Entrepreneurship, Growth, and Innovation: the Dynamics of Firms and Industries, E. Santarelli (ed), Springer Verlag Berlin (2006): pp. 199-221.
Sakellaris, Kostis (2010): Modeling Electricity Markets as Two-Stage Capacity Constrained Price Competition Games under Uncertainty. Unpublished.