Technoeconomics engineering
Technoeconomics of ICT
Technoeconomics of the Internet of Things
Technoeconomics of Cloud Computing
Diffusion and acceptance of innovations
Forecasting diffusion and acceptance of innovations in high technology markets
Technology Acceptance
Managerial economics
Liagkou, V., Fragiadakis, G., Filiopoulou, E., Michalakelis, C., Tsadimas A., and Nikolaidou, M., “Assessing the Complexity of Cloud pricing policies: A comparative market analysis”, Journal of Grid Computing, Journal of Grid Computing, vol. 22, p. 65, 2024/09/12 2024
Kamalakis, T., Dede, G., Michalakelis, C. and Nikolaidou, M., “Game-theoretic analysis of competition between access service providers utilizing a Nash genetic algorithm,” Operational Research, vol. 24, 2024., DOI: 10.1007/s12351-024-00826-9
Kotronis, C., Nikolaidou, M., Tsadimas, A., Michalakelis, C. and Anagnostopoulos, D., “Extending SysML to Integrate Cost Analysis Into Model-Based Systems Engineering,” IEEE Transactions on Engineering Management, vol. 71, pp. 2865-2880, 2024
Filiopoulou, E., Chatzithanasis, G., Michalakelis, C. and Nikolaidou, M., “Cloud Broker: Customizing Services for Cloud Market Requirements,” Information, vol. 15, p. 232, 2024
Vardopoulos, I., Giannopoulos, K., Papaefthymiou, E., Temponera, E., Chatzithanasis, G. M. Goussia-Rizou, et al., “Urban buildings sustainable adaptive reuse into tourism accommodation establishments: a SOAR analysis,” Discover Sustainability, vol. 4, p. 50, 2023, DOI: 10.1007/s43621-023-00166-2
Kosmas, I., Papadopoulos, T., Dede, G. and Michalakelis, C., “The use of Artificial Neural Networks in the Public Sector,” FinTech, vol. 2, pp. 138-152, 2023
Fragiadakis, G., Liagkou, V., Filiopoulou, E., Fragkakis, D., Michalakelis, C. and Nikolaidou, M., “Cloud services cost comparison: a clustering analysis framework,” Computing, 105, 2061-2088, 2023, DOI: 10.1007/s00607-023-01173-x
Fragiadakis, G., Filiopoulou, E., Michalakelis, C., Kamalakis, T. and Nikolaidou, M., “Applying Machine Learning in Cloud Service Price Prediction: The Case of Amazon IaaS,” Future Internet, vol. 15, p. 277, 2023
Dede, G., Filiopoulou, E., Paroni, D-V., Michalakelis, C., and Kamalakis, T. “Analysis and Evaluation of Major COVID-19 Features: a pairwise comparison approach,” Operations Research Forum, 4(15), 2022, DOI:10.1007/s43069-023-00201-y
Aivazidi, M. and Michalakelis, C., “Information and Communication Technologies in Primary Education: Teachers; Perceptions in Greece,” Informatics, vol. 10, p. 57, 2023
Skoufis, A., Chatzithanasis, G., Dede, G., Filiopoulou, E., Kamalakis, T., and Michalakelis, C., “Technoeconomic assessment of an FTTH network investment in the Greek telecommunications market,” Telecommunication Systems, 2022/12/12 2022
Mitropoulou, P, Papadopoulou, E., Dede, G. and Michalakelis, C., “Forecasting Competition in the Electricity Market of Greece: a Prey-Predator Approach,” Operations Research Forum, vol. 3(3), p. 1-31, 2022
Liagkou, V., Fragiadakis, G., Filiopoulou, E., Michalakelis, C., Kamalakis, T., and Nikolaidou, M., “A pricing model for Container-as-a-Service, based on hedonic indices,” Simulation Modelling Practice and Theory, vol. 115, p. 102441, 2022/02/01/ 2022
Liagkou, V., Fragiadakis, G., Filiopoulou, E., Kyriakidou, V., Michalakelis, C., and Nikolaidou, M., “Comparing the Cost of IaaS and CaaS Services,” International Journal of Technology Diffusion (IJTD), vol. 13, pp. 1-11, 2022
Aivazidi, M. and Michalakelis, C., “Diffusion of the Information and Communication Technologies in Education, Perspectives and Limitations,” Creative Education, pp. 2186-2200, 2022
Aivazidi, M. and Michalakelis, C., “Exploring Primary School Teachers’ Intention to Use E-Learning Tools during the COVID-19 Pandemic,” Education Sciences, vol. 11, p. 695, 2021.
Dede, G., Filiopoulou, E., Chatzithanasis, G., Michalakelis, C. and Kamalakis T., “Evaluation of end user requirements for Smart Home applications and services based on a decision support system,” Internet of Things, vol. 16, p. 100431, 2021
Dede, G., Mitropoulou, P., Nikolaidou, M., Kamalakis, T. and Michalakelis, C. “Safety requirements for symbiotic human–robot collaboration systems in smart factories: a pairwise comparison approach to explore requirements dependencies,” Requirements Engineering, vol. 26, pp. 115-141, 2021
Dede, G., Loupatatzis, G., Grigoropoulos, D., Chatzithanasis, G., Kamalakis, T. and Michalakelis, C., “The Cloud TV emerging challenge: forecasting and investment analysis.” International Journal of Intellectual Property Management, vol. 11(4), 371-392, 2021, DOI: 10.1504/IJIPM.2021.118711
Chatzithanasis, G., Filiopoulou, E., Michalakelis, C. and Nikolaidou, M., “Exploring Cost-Efficient Bundling in a Multi-Cloud Environment,” Simulation Modelling Practice and Theory, 2021. DOI: 10.1016/j.simpat.2021.102338
Dede, G., Filiopoulou, E., Kamalakis, T. and Michalakelis, C., “Evaluation of Technological Solutions and Requirements for Cloud TV Services based on Decision Support System,” International Journal of Technology Diffusion (IJTD), (IJTD), vol. 12, pp. 23-43, 2021.
Papadopoulos, T., Kosmas, I. and Michalakelis, C., “Artificial Neural Networks: Basic Methods and Applications in Finance, Management and Decision Making, a Roadmap,” Novel Research in Sciences, vol. 6, March 2021 2021, DOI: 10.31031/NRS.2021.06.000648
Kosmas, I., Papadopoulos, and Michalakelis, C., “Applying Internet of Things in Healthcare: A survey,” Perceptions in Reproductive Medicine, vol. 4, pp. 323-329, 2021.
Skoufis, A., Chatzithanasis, G., Dede, G., Kamalakis, T. and Michalakelis, C., “Technoeconomic Analysis of a VDSL2/G.fast Vectoring Network: a case study from Greece,” Netnomics, 2021, DOI: 10.1007/s11066-020-09142-8
Dede, G., Loupatatzis, G., Grigoropoulos, D., Kamalakis, T. and Michalakelis, C. “The Cloud TV emerging challenge: forecasting and investment analysis. ,” International Journal of Intellectual Property Management, 2021. DOI: 10.1504/IJIPM.2019.10035140.
Trummer, U., Novak-Zezula, S., Chrzanowska, M., Michalakelis, C., et al., “How Structural Compensation Facilitates Health Care for the Homeless. A Comparative View on Four European Union Member States,” International Journal of Environmental Research and Public Health, vol. 17, p. 9114, 2020.
Dede, G. Loupatatzis, G., Grigoropoulos, D., Kamalakis, T. and Michalakelis, C., “Cloud TV, A techno-economic approach in the Emerging Era of the Internet of Things,” International Journal of Corporate Finance and Accounting, vol. 7, pp. 39-53, 2020.
Dede, G., Mitropoulou, P., Nikolaidou, M., Kamalakis, T. and Michalakelis, C., “Safety requirements for symbiotic human–robot collaboration systems in smart factories: a pairwise comparison approach to explore requirements dependencies,” Requirements Engineering, 2020/08/02 2020, DOI:10.1007/s00766-020-00337-x
Vardopoulos, I., Stamopoulos, C., Chatzithanasis, G., Michalakelis, C., Giannouli, P. and Pastrapa, E., “Considering Urban Development Paths and Processes on Account of Adaptive Reuse Projects,” Buildings, vol. 10, 10 Apr 2020 2020.
Filiopoulou, E., Dede, G., Michalakelis, C. and Kamalakis, T., “End-user and Provider Requirements for Pricing Policies of Infrastructure as a Service,” IEEE Internet Computing, vol. 23, pp. 36-48, 2019.
G. Dede, G. Fragiadakis, C. Michalakelis and T. Kamalakis, “Brokering Intelligence as a Service for the Internet of Things,” International Journal of Technology Diffusion, vol. 10, 2019.
| E. Filiopoulou, P. Mitropoulou, N. Lionis, and C. Michalakelis, “On the efficiency of cloud providers: A DEA approach incorporating categorical variables,” IEEE Transactions on Cloud Computing, doi: 10.1109/TCC.2018.2850889, 2018. |
| G. Chatzithanasis and C. Michalakelis, “The Benefits of Cloud Computing – Evidence from Greece”, International Journal of Technology Diffusion, vol. 9(2), 2018. |
| G. Chatzithanasis and C. Michalakelis, “New technologies and their role in the development of entrepreneurship in regional cities”, Sustainable Development, Culture, Traditions Journal, 2017, 1(b). |
| P. Mitropoulou, E. Filiopoulou, C. Michalakelis and M. Nikolaidou, “Pricing cloud IaaS services based on a hedonic price index”, Computing, vol. 98(11), pp. 1075–1089, November 2016. |
| S. Lakka, T. Stamati, C. Michalakelis, and D. Anagnostopoulos, “Cross-national analysis of the relation of eGovernment maturity and OSS growth,” Technological Forecasting and Social Change, vol. 99, pp. 132-147, 2015 |
| C. Christodoulos, C. Michalakelis, and T. Sphicopoulos, “On the efficiency of grey modeling in early-stage technological diffusion forecasting,” International Journal of Technology Diffusion, vol. 6, pp. 1-11, 2015. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos, “Broadband penetration as an economic growth accelerator,” International Journal of Electronic Governance, vol. 7, pp. 253-265, 2015. |
| M. Fokas, C. Michalakelis, and T. Sphicopoulos, “Forecasting the diffusion of Gigabit home networking in Europe,” International Journal of Technology Diffusion, vol. 5, pp. 39-53, July-September 2014. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos, “Assessment of Information and Communications Technology maturity level,” Telecommunications Policy, Volume 37, Issue 1, February 2013, Pages 48-62. |
| S. Lakka, T. Stamati, C. Michalakelis, and D. Martakos, “What drives eGovernment growth? An econometric analysis on the impacting factors” International Journal of Electronic Governance, vol. 6, Issue 1, 2013, Pages 20-36. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos, “Driving factors during the different stages of broadband diffusion: A non-parametric approach,” Technological Forecasting and Social Change, Volume 80, Issue 1, January 2013, Pages 88-105. |
| S. Lakka, C. Michalakelis, D. Varoutas and D. Martakos, “Competitive dynamics in the operating systems market: modeling and policy implications”, Technological Forecasting and Social Change, Volume 80, Issue 1, January 2013, Pages 132-147 |
| C. Michalakelis, C. Christodoulos, D. Varoutas, and T. Sphicopoulos, “Dynamic estimation of markets exhibiting a prey-predator behavior,” Expert Systems with Applications, vol. 39, pp. 7690-7700, July 2012. |
| S. Lakka, C. Michalakelis, D. Varoutas and D. Martakos, “Exploring the determinants of the OSS market potential: The case of the Apache server”, Telecommunications Policy, vol. 36, pp. 51-68, February 2012. |
| C. Michalakelis and T. Sphicopoulos, “A population dependent diffusion model with a stochastic extension,” International Journal of Forecasting, vol. 28, pp. 587-606, 2012. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos, “Digital Divide Gap Convergence in Europe”,Technology in Society, vol. 33, pp. 265-270, August–November 2011. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos, “Utilization of Communications Network Potential: Public practices and effects,” Government Information Quarterly, vol. 29, pp. 182-191, April 2011. |
| V. Kyriakidou, C. Michalakelis, and D. Varoutas, “Applying Zipf’s power law over population density and growth as network deployment indicator,” Journal of Service Science and Management, vol. 4, pp. 132-140, 2011 |
| S. Lakka, T. Stamati, C. Michalakelis, and D. Martakos, “The Ontology of the OSS Business Model: An exploratory Study,” International Journal of Open Source Software and Processes (IJOSSP), vol. 3, pp. 39-59, 2011 |
| C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Modeling competition in the telecommunications market based on concepts of population biology”, IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications & Reviews, vol. 41, pp. 200-210, 2011 |
| C. Christodoulos, C. Michalakelis, and D. Varoutas, “On the combination of exponential smoothing and diffusion forecasts: An application to broadband diffusion in the OECD area”, Technological Forecasting and Social Change, vol. 78, pp. 163-170, 2011 |
| C. Michalakelis, G. Dede, D. Varoutas, and T. Sphicopoulos, “Estimating diffusion and price elasticity with application to telecommunications,” Netnomics, vol. 11, pp. 221-242, 2010. |
| C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Innovation diffusion with generation substitution effects,” Technological Forecasting and Social Change, 2010. 77(4): p. 541-557. |
| C. Christodoulos, C. Michalakelis, and D. Varoutas, “Forecasting with limited data: Combining ARIMA and diffusion models”. Technological Forecasting and Social Change, 2010. 77(4): p. 558-565. |
| C. Michalakelis,, D. Varoutas, and T. Sphicopoulos, “Diffusion models of mobile telephony in Greece,” Telecommunications Policy, vol. 32, pp. 234-245, 2008. |
| C. Michalakelis, G. Dede, D. Varoutas, and T. Sphicopoulos, “Impact of cross-national diffusion process in telecommunications demand forecasting” Telecommunication Systems, vol. 39, pp. 51-60, 2008. |
| C. Deligiorgi, A. Vavoulas, C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Ön the construction of price index and the definition of factors affecting tariffs of ADSL connections across Europe,” Netnomics, vol 8., numbers 1-2, pp. 171-183, 2008 |
| D. Varoutas, C. Deligiorgi, C. Michalakelis and Th. Sphicopoulos, “A hedonic approach to estimate price evolution of telecommunication services: Evidence from Greece”, Applied Economic Letters, vol. 15, no 14, pp 1131 – 1134, Nov 2008. |
| C. Deligiorgi, C. Michalakelis, A. Vavoulas, and D. Varoutas, “Nonparametric estimation of a hedonic price index for ADSL connections in the European market using the Akaike Information Criterion,” Telecommunication Systems, vol. 36, pp. 173-179, Dec 2007. |
Dede, G, Chatzithanasis, G, Kamalakis, T. and Michalakelis, C., “Brokering Cloud Computing: Pricing Models and Simulation Approaches,” in Research Anthology on Architectures, Frameworks, and Integration Strategies for Distributed and Cloud Computing, A. Information Resources Management, Ed., ed Hershey, PA, USA: IGI Global, 2021, pp. 583-59
| E. Kogia, S. Liberopoulou, N. Alamanos, V. Pierros, and C. Michalakelis, “RefConnect – A Mobile Social Network for Refugees,” in Exclusion and Inclusion in International Migration: Power, Resistance and Identity, A. Lloyd Teke, Ed., ed: Transnational Press London, 2019. |
| G. Dede, G. Chatzithanasis, T. Kamalakis and C. Michalakelis, “Brokering Cloud Computing: Pricing models and simulation approaches”, in Trends, and Applications in Corporate Finance and Accounting, A. Christopoulos, P. Kalantonis, and C. Zopounidis, Eds., ed: IGI Global, 2018 |
| P. Mitropoulou, E. Filiopoulou, M. Nikolaidou and C. Michalakelis, “Pricing IaaS: A Hedonic Price Index Approach,” in Economics of Grids, Clouds, Systems, and Services L. C. Pham et al. (Eds.): GECON 2017, Ed., ed: Springer International Publishing AG 2017, 2017, pp. 18-28. |
| E. Filiopoulou, P. Mitropoulou, C. Michalakelis and M. Nikolaidou, “The Rise of Cloud Brokerage: Business Model, Profit Making and Cost Savings”, in Economics of Grids, Clouds, Systems, and Services, J. Á. Banares., ed: Springer International Publishing AG, 2017, pp. 19-32. |
| G. J. Barbosa, C. Michalakelis, and H. Arabnejad, “Resource Sharing for Scientific Workflows on Computational Grids,” in Grid Computing: Techniques and Future Prospects, J. G. B. a. I. Dutra, Ed., ed: Nova Science Publishers, 2015, pp. 45-70 |
| S. Lakka, C. Michalakelis, and D. Martakos, “Impact of OSS on Social and Economic Welfare,” in Handbook on Social Change, B. H. S. a. S. E. Corbin, Ed., ed: Novapublishers, 2009, pp. 1-16. |
| C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Demand Evolution of Mobile and Broadband Telecommunication Services in Eastern and Central Europe and the Influence of Western Europe’s Penetration,” in Business Development and Markets in the European Economic Area, D. G. Shamseddin G. Gadziyev, Yurij Bilan, Bruno S. Sergi, Ed. Kyiv: Foundation of International Studies, 2009. |
| D. Varoutas, K. Deligiorgi, C. Michalakelis and T. Sphicopoulos, Price Indexes for Telecom Market: An Application to European Market of Leased Lines, in Business Development and Markets in the European Economic Area, D.G. Shamseddin G. Gadziyev, Yurij Bilan, Bruno S. Sergi, Editor. 2009, Foundation of International Studies: Kyiv. |
| D. Varoutas, C. Michalakelis, A. Vavoulas, and C. Deligiorgi, “Diffusion forecasting and price evolution of broadband telecommunication services in Europe,” in Handbook of Research on Global Diffusion of Broadband Data Transmission, Dwivedi, Ed.: IGI Global, 2008. |
Liagkou, V., Filiopoulou, E., Fragiadakis, G., Nikolaidou, M. and Michalakelis, C., “The cost perspective of adopting Large Language Model-as-a-Service,” presented at the JCC 2024 (15th IEEE International Conference on JointCloud Computing), 2024
Papadopoulos, T., Kosmas, I.-J., Nikolaidou, M. and Michalakelis, C., “Forecasting Consumer Service Prices During the Coronavirus Pandemic Using Neural Networks: The Case of Transportation, Accommodation and Food Service Sections Across E.U,” in Global, Regional and Local Perspectives on the Economies of Southeastern Europe, Cham, 2023, pp. 333-357
Aivazidi, M. and Michalakelis, C., “Diffusion of the Information and Communication Technologies in Education, Perspectives and Limitations,” Creative Education, pp. 2186-2200, 2022
Chatzithanasis, G., Filiopoulou, E., Michalakelis, C., and Nikolaidou, N., “A Brokering Model for the Cloud Market,” in Cloud Computing – CLOUD 2021, Cham, 2022, pp. 1-16
Skoufi, E., Filiopoulou, E., Skoufis, A. and Michalakelis, C., “Last Mile Delivery by Drone: A Technoeconomic Approach.”, presented at the 18th International Conference on the Economics of Grids, Clouds, Systems, and Services (GECON 2021), Online, 2021
Aivazidi, M. and Michalakelis, C. “Exploring the Barriers of Educational Innovation ” presented at the 17th International Conference on Intelligent Tutoring Systems, 2021
| G. Dede, D. Grigoropoulos, G. Loupatatsis, T. Kamalakis, and C. Michalakelis, “Towards a Roadmap for Cloud TV Services in the Internet of Things Era,” presented at the GECON 2019 – 16th International Conference on Economics of Grid , Cloud, Systems and Services, Leeds, UK, 2019. |
| G. Loupatatzis, D. Grigoropoulos, G. Dede, T. Kamalakis, and C. Michalakelis, “Technoeconomic Analysis of Cloud TV,” presented at the Innovation, Entrepreneurship and Knowledge Academy 2109 – INEKA 2019, Verona, Italy, 2019. |
| E. Kogia, S. Liberopoulou, N. Alamanos, V. Pierros, and C. Michalakelis, “RefConnect – A Mobile Social Network for Refugees,” in Exclusion and Inclusion in International Migration: Power, Resistance and Identity, A. Lloyd Teke, Ed., ed: Transnational Press London, 2019. |
| M. Nikolaidou and C. Michalakelis, “Techno-economic Analysis of SysML Models,” presented at the ISSE 2017 – 2017 IEEE International Symposium on Systems Engineering, Vienna, Austria, 2017. |
| A. Makris, E. Petraki, C. Dimitropoulos, S. Liberopoulou, K. Tserpes, K. and C. Michalakelis “Mobile Application for asylum seekers,” The Migration Conference 2017, Athens, Greece, 2017. |
| E. Filiopoulou, P. Mitropoulou, , C. Michalakelis and M. Nikolaidou, “Pricing IaaS: A hedonic price index approach,” presented at the Gecon 2017, 14th International Conference on Economics of Grids, Cloud, Systems and Services, Biarritz, France, 2017. |
| E. Filiopoulou, P. Mitropoulou, , C. Michalakelis and M. Nikolaidou, “The rise of cloud brokerage Business model, profit making and cost savings”, GECON 2016, The 13th International Conference on Economics of Grid, Cloud, Systems and Services, Athens, Greece, September 22-26 2016 |
| C. Michalakelis, M. Nikolaidou, J. Barbosa, and K. Wood, “CCTE Workshop Preface”, Cloud Engineering Workshop (IC2EW), 2016 IEEE International Conference on Cloud Engineering, Berlin, Germany, 4-8 April, 2016 |
| E. Filiopoulou, P. Mitropoulou, A. Tsadimas, C. Michalakelis, M. Nikolaidou and D. Anagnostopoulos, “Integrating cost analysis in the cloud: A SoS approach”, IIT’15- 11th International Conference on Innovations in Information Technology, Dubai, UAE , November 01-03, 2015 |
| S. Lakka, C. Michalakelis, T. Stamati, and D. Anagnostopoulos, “A framework for the classification of Could Computing Business Models”, PCI 2015 – The 19th Panhellenic Conference on Informatics, Athens, Greece, 1-3 October 2015 |
| K. Katsantonis, P. Mitropoulou, E. Filiopoulou, C. Michalakelis, and M. Nikolaidou, “Cloud computing and economic growth”, PCI 2015 – The 19th Panhellenic Conference on Informatics, Athens, Greece, 1-3 October 2015. |
| P. Mitropoulou, E. Filiopoulou, S. Tsaroucha, C. Michalakelis, and M. Nikolaidou, “A Hedonic Price Index for Cloud Computing Services,” presented at the CLOSER 2015 – 5th International Conference on Cloud Computing and Services Science, Lisbon, Portugal, 2015 |
| S. Lakka, T. Stamati, and C. Michalakelis, “A cross country comparison on the factors determining OSS diffusion,” PCI 2014 – The 18th Panhellenic Conference on Informatics, Athens, Greece, 2-4 October 2014. |
| E. Filiopoulou, P. Mitropoulou, and C. Michalakelis, “SMEs in the cloud: The impact of cloud adoption on economic growth and development,” in ICEIRD 2014, The 7th International Conference for Entrepreneurship, Innovation and Regional Development, Nicosia, Cyprus June 5-6, 2014. |
| C. Christodoulos, C. Michalakelis and D. Varoutas, “A comparison of time-series models versus aggregate diffusion models for forecasting the internet use adoption”, 23ο Panhellenic Conference in Statistics and Internet:, Veria, Greece, 7-11 April 2010 |
| C. Christodoulos, C. Michalakelis, et al. (2010). “Estimation of future prepaid – postpaid mobile telephony equilibrium in the OECD area”, 9th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE), 7-9June 2010, Ghent, Belgium. |
| C. Christodoulos, C. Michalakelis, and D. Varoutas. “An empirical model for later entrants market share development in the mobile phone market: An application in the Greek market”. in 8th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE2009). 15- 16 June 2009. Helsinki, Finland. |
| P. Koutroumpis, C. Michalakelis, and D. Varoutas. “Broadband hedonic price index: a firm-level study.” in 8th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE2009). 15 -16 June 2009. Helsinki, Finland. |
| V. Kyriakidou, C. Michalakelis, and T. Sphicopoulos. “A digital divide convergence rate estimation methodology.” in 7th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE2008). June 2008. Paris, France. |
| C. Michalakelis, G. Dede, A. Zerva, D. Varoutas, and T. Sphicopoulos, “Development of a demand model for the simultaneous estimation of the interaction between a product diffusion and price: an application to telecommunications,” in 6th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE2007) Art. no. 4389905, Helsinki, Finland, 2007. |
| N. Deligiorgi, A. Vavoulas, C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Factors and characteristics that affect ADSL tariffs,” in 5th Conference of Telecommunication, Media and Internet Techno-Economics (CTTE2006), Athens, Greece, 8-9 June, 2006. |
| N. Deligiorgi, A. Vavoulas, C. Michalakelis, D. Varoutas, and T. Sphicopoulos, “Nonparametric Estimation of a hedonic price index for ADSL connections in the European market using the Akaike Information Criterion,” in Networking and E-Commerce Conference, NAEC 2006, Lake Garda, Italy, Oct. 2006. |
| C. Michalakelis, G. Dede, D. Varoutas, and T. Sphicopoulos, “Impact of cross-national diffusion process in telecommunications demand forecasting,” in Networking and E-Commerce Conference, NAEC 2005, Garda, Italy, 2005, pp. 632-640. |
| V. N. Alexandrov, J. Libano-Alonso, and C. Michalakelis, “Efficient Parallel Branch and Bound Algorithms for Integer and Mixed Integer Linear Programming Problems,” inProceedings of Reading Workshop on Parallel Computing, Reading, UK, June 1996. |
| V. Kyriakidou, C. Michalakelis, D. Varoutas and T. Sphicopoulos, “A digital divide convergence rate estimation methodology-The estimation of concentration indices in mobile technology”, in COST 605 Meeting, Zurich, Switzerland. 24th-26th September 2008. |
| V. Kyriakidou, C. Michalakelis and D. Varoutas. “Estimating Digital Divide Convergence. in The Good, the Bad and the Challenging, The user and the future of information and communication technologies”, A transdisciplinary conference organised by COST Action 298 “Participation in the Broadband Society”. 13th – 15th May 2009. Copenhagen, Denmark. |
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