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                          Journal Articles 
                          "Net Neutrality in a hyperlinked Internet economy", joint with Joan Calzada, International Journal of Industrial Organization, 59, 190-221, 2018. [DOI] "On the impact of input prices on an entrant’s profit under multi-product competition”, joint with Duarte Brito, Review of Industrial Organization, 50(1), 105–125, 2017. [DOI] "Access regulation and the entrant’s mode of entry under multi-product competition in telecoms",  joint with Duarte Brito, Information Economics and Policy, 37, 20-33, 2016. [DOI] "A CDS  approach to induce facilities-based competition over NGA networks", joint  with Dimitris Varoutas and Drakoulis Martakos, Telecommunications Policy,  38(3), 311-331, 2014. [DOI]"Investments  in Next Generation Access infrastructures under regulatory uncertainty", joint  with Dimitris Varoutas, Telecommunications Policy, 17(10), 879-892, 2013. [DOI]"On the  social optimality of make-or-buy decisions", joint with Dimitris Varoutas  and Drakoulis Martakos, Journal of regulatory economics, 41(2), 238-268,  2012. [DOI]"Risks  associated with Next Generation Access networks investment scenarios",  joint with Dimitris Katsianis, Theodoros Rokkas, Ioannis Neokosmidis, Ioannis  Zacharopoulos, Apostolia Bartzoudi and Dimitris Varoutas, IEEE Network, 26(4),  11-17, 2012. [DOI] 
                          Conference Papers  
                          "Understanding the impact of costly search on market equilibria: A   comprehensive review", joint with Vangelis Logothetis and Dimitris Varoutas, 13th Conference of Telecommunication, Media and   Internet Techno-Economics (CTTE), November 2017, Copenhagen, Denmark. [PDF]"Make-or-buy  investment decisions in copper and fiber access markets", joint with Duarte Brito, 10th International Conference on Competition and  Regulation (CRESSE), July 2015, Rethymnon, Greece. [PDF] "Coexistence  of copper and fiber unbundling: Access charges and investment incentives", joint with Georgia Orfanou and Dimitris Varoutas, 25th European Regional  Conference of the International Telecommunications Society (ITS), June 2014,  Brussels, Belgium. [PDF] "Geographically  differentiated NGA deployment", joint with Eirini  Xylogianni, Dimitris Varoutas and Drakoulis Martakos, 24th European Regional  Conference of the International Telecommunications Society (ITS), October 2013,  Florence, Italy. [PDF] "NGA  investment incentives under geographic price discrimination", joint with Dimitris Maniadakis and Dimitris Varoutas, 40th EARIE Conference, 30  August-1 September 2013, Évora, Portugal. [PDF] "NGA  Investments: A departure from the existing cost and demand structure  assumptions", joint  with  Dimitris Maniadakis and Dimitris Varoutas, 19th Biennial Conference of  International Telecommunications Society (ITS), November 2012, Bangkok,  Thailand. [PDF] "Modeling  the regulatory uncertainty of NGA investments under cost-based access rules", joint with Dimitris Varoutas, 7th International Conference on  Competition and Regulation (CRESSE), July 2012, Chania, Greece. [PDF] "Two-way  interconnection, competition and investment incentives: A survey of the  economic literature", joint with  Dimitris Varoutas, 11th Conference of  Telecommunication, Media and Internet Techno-Economics (CTTE), June 2012,  Athens, Greece. [PDF] "Flexibility  or certainty? A regulatory dilemma", joint with Dimitris  Varoutas and Drakoulis Martakos, 4th Annual Conference of Competition and  Regulation in Network Industries (CRNI), November 2011, Brussels, Belgium. [PDF] "On  the irrelevance of input prices from a regulatory perspective", joint with Dimitris Varoutas and Drakoulis Martakos, 5th  International Conference on Competition and Regulation (CRESSE), July 2010,  Chania, Greece. [PDF] "Access  pricing under Stackelberg competition: Results interpretation and regulatory  implications", joint  with Dimitris  Varoutas and Drakoulis Martakos, 8th Conference of Telecommunication, Media and  Internet Techno-Economics (CTTE), June 2009, Stockholm, Sweden. [PDF]  |  |  
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                                  Assessing the wholesale prices of NGA networks according to the 2013/466/EU Recommendation. A study for Hellenic         Telecommunications and Post Commission. (2017-2018)LRIC Bottom-Up models for Fixed Termination Rates. A study for Hellenic         Telecommunications and Post Commission. (2012-2013)LRIC Bottom-Up models for Mobile Termination Rates. A study for Hellenic         Telecommunications and Post Commission. (2012-2013)Technoeconomic,         regulatory and competition issues related to NGN. A study for Hellenic         Telecommunications and Post Commission. (2010-2011)Consultancy       services   for Municipal Fiber Networks in the region of Peloponnese. Greek         Information Society Project. (07/2009-11/2009) European         Inter-Disciplinary Research on Intelligent Cargo for Efficient, Safe and         Environment-friendly Logistics (EURIDICE). Integrated Project   (IP) FP7       ICT. (03/2008-03/2009)  |  |  |  |