Scientific Conferences

International Conferences

1. Mertzanis, C., Pavlopoulos, A. and Vetsikas, A. “From Apps to Accruals: How FinTech Reduces Earnings Manipulation Worldwide”, Paper presented at the 24th Hellenic Finance and Accounting Association Conference (HFAA), Athens University of Economics and Business and University of Macedonia, Athens, 19-20 December 2025.

2. Vetsikas, A. and Stamboulis, Y. "Catching Up Through Policy Mixes: Unveiling Innovation Dynamics Using a System Dynamics Model", Paper presented at the 37th European Association for Evolutionary Political Economy Conference (EAEPE), National Technical University of Athens & University of Thessaly, Athens, 24-26 September 2025.

3. Vetsikas, A., Mertzanis, C. and Pavlopoulos, A. "National innovation systems and firms’ capital investment around the world: a N-tuple helix approach", Paper presented at the 9th International Conference on Applied Theory, Macro and Empirical Finance (AMEF), University of Macedonia, Thessaloniki, 14-15 April 2025.

4. Stamboulis, Y. and Vetsikas, A. “Comparative Analysis of 4 European National Innovation Systems: Exploring Various Scenarios via DYNAM.I.S Model”, Paper presented at the 36th European Association for Evolutionary Political Economy Conference (EAEPE), University of the Basque Country (UPV/EHU), Bilbao, 4-6 September 2024.

5. Vetsikas, A. and Stamboulis, Y. "Modeling and exploring heterogeneous actors' behaviour in national innovation systems: The case of Finland", Paper at the 35th European Association for Evolutionary Political Economy Conference (EAEPE), University of Leeds, Leeds, 13-15 September 2023.

6. Brimpou, V., Stamboulis, Y. and Vetsikas, A. “Determinants of firms’ profitability across diverse groups”, Paper presented at the 6th International Conference on Applied Research in Management, Economics, and Accounting (IARMEA), University of Roehampton, London, 24-26 November 2022.

7. Brimpou, V., Stamboulis, Y., Alexiou, S. and Vetsikas, A. “Determinants influencing the profitability of firms: A case study on the Greek retail sector”, Paper presented at the 5th International Conference of Development and Economy (I.CO.D.ECON.), University of Peloponnese, Kalamata, 21-23 October 2022.

8. Vetsikas, A. “Assessing the innovation performance of 24 European countries with a new composite indicator: a helix-based approach”, Paper presented at the 17th Globelics International Conference, International Center of Economic Policies for Sustainable Development, Heredia, 3-5 November 2021. (poster).

9. Vetsikas, A. and Stamboulis, Y. “A System Dynamics Model of the Heterogeneous Actors' Behaviour in National Innovation Systems”, Paper presented at the 18th International Schumpeter Society Conference, (Virtual Experience), Luiss Guido Carli University, Rome, 8-10 July 2021.

10. Vetsikas, A. “Assessing the innovation performance of 24 European countries with a new composite indicator: a helix-based approach”, Paper presented at the 19th International Triple Helix Conference, (Virtual Experience), University of São Paulo, São Paulo, 16-18 June 2021.

11. Brimpou, V., Stamboulis, Y., Barlas, A. and Vetsikas, A. “Factors of successful crowd-funding”, Paper presented at the 7th International Conference on Applied Economics with theme “Competition: Analysis and Policy”, Department of Economics, University of Thessaly, Volos, 20-21 May 2021.

12. Vetsikas, A. and Stamboulis, Y. “Modelling the Dynamics of National Innovation Systems: A System Dynamics Approach”, Paper presented at the 7th International Conference on Applied Economics with theme “Competition: Analysis and Policy”, Department of Economics, University of Thessaly, Volos, 20-21 May 2021.

13. Vetsikas, A. and Stamboulis, Y. “Quantitative Analyses of National Innovation Systems: A Bibliometric Account and a Critical Assessment”, Paper presented at the 32nd European Association for Evolutionary Political Economy Conference (EAEPE), Online Conference, 2-4 September 2020.

14. Vetsikas, A. and Stamboulis, Y. “Building a national innovation system through interacting helices”, Paper presented at the 31st European Association for Evolutionary Political Economy Conference (EAEPE), SGH Warsaw School of Economics, Warsaw, 12-15 September 2019.

15. Vetsikas, A. and Stamboulis, Y. “Does innovation activity affect trade openness? An ARDL bounds testing approach for ten European countries”, Paper presented at the 6th International Conference on Applied Economics with theme " Institutions and the Knowledge Economy", Department of Economics, University of Thessaly, Volos, 30 May-1 June 2019.

16. Georgatzi, V., Vetsikas, A. and Stamboulis, Y. "Examining the determinants of CO2 emissions caused by the transportation sector activity: Empirical evidence from 12 European countries", Paper presented at the 5th Economics of Natural Resources and the Environment Conference (ENVECON), Department of Economics, University of Thessaly, Volos, 1-3 November 2018.

17. Georgatzi, V., Vetsikas, A. and Stamboulis, Y. “Do policies and new technologies drive to a low carbon economy regarding the transportation sector?”, Paper presented at the 30th European Association for Evolutionary Political Economy Conference (EAEPE), University of Nice Sophia Antipolis, Nice, 6-8 September 2018.

18. Stamboulis, Y. and Vetsikas, A. “National Innovation Systems Efficiency in European countries: Some preliminary empirical findings”, Paper presented at the 29th European Association for Evolutionary Political Economy Conference (EAEPE), Corvinus University, Budapest, 19-21 October 2017.

19. Vetsikas, A. and Stamboulis, Y. “R&D expenditure, Patents and Economic Growth: Causality evidence from ten innovative countries”, Paper presented at the 29th European Association for Evolutionary Political Economy Conference (EAEPE), Corvinus University, Budapest, 19-21 October2017.

20. Vetsikas, A., Stamboulis, Y. and Markatou, M. “Innovation and Economic Growth: An Empirical Investigation of European Countries”, Paper presented at the 15th Globelics International Conference, Laboratory of Industrial and Energy Economics (LIEE), National Technical University of Athens (NTUA), Athens, 11-13 October 2017.

21. Markatou, M. and Vetsikas, A. “Intellectual Property Rights and Economic Growth”, Paper presented at the 5th International Conference on Applied Economics with theme "Institutions and Development", Department of Economics, University of Thessaly, Volos, 17-19 May 2017.

22. Markatou, M. and Vetsikas, A. “Innovating during periods of economic and financial crisis: a patent-based analysis”, Paper presented at the 2nd International Conference of Development and Economy (I.CO.D.ECON.), Technological Educational Institute (TEI) of Peloponnese, Thessaloniki, 10-12 June 2016.

23. Markatou, M. and Vetsikas, A. “Innovation and Crisis: An Analysis of its Impact on the Greek Patenting Activity”, Paper presented at the World Conference on Technology, Innovation and Entrepreneurship, Istanbul University, Istanbul, 28-30 May 2015.

24. Markatou, M. and Vetsikas, A. “Innovation and Economic Growth in Greece: A preliminary empirical investigation”, Paper presented at the 16th Eurasian Business and Economics Society Conference (EBES), Bahçeşehir University, Istanbul, 27-29 May 2015. 

Greek Conferences

1. Σταμπουλής Γ., και Βέτσικας, Α. “Μαθαίνοντας από τις Startups: Μια Νέα Στρατηγική Υποστήριξης των ΜμΕ”, στο συνέδριο «Η νέα δυναμική των μικρών επιχειρήσεων – Ο ρόλος τους στην οικονομία του αύριο», Ινστιτούτο Μικρών Επιχειρήσεων της Γενικής Συνομοσπονδίας Επαγγελματιών Βιοτεχνών Εμπόρων Ελλάδας (ΙΜΕ ΓΣΕΒΕΕ), Αθήνα, 3-4 Οκτωβρίου 2025.

2. Βέτσικας, Α. και Σταμπουλής, Γ. “Το ελληνικό σύστημα καινοτομίας: δυναμική και πεδία παρέμβασης”,  στο συνέδριο  «Αναζητώντας τον Άλλο Δρόμο: Στρατηγικές Ανάπτυξης της Ελληνικής Οικονομίας», σε συνδιοργάνωση από τον Όμιλο ΜετάΒΑΣΗ, το Ινστιτούτο Εναλλακτικών Πολιτικών (ΕΝΑ) και το Eteron - Ινστιτούτο για την Έρευνα και την Κοινωνική Αλλαγή, Αθήνα, 27-29 Ιανουαρίου 2023. 

3. Βέτσικας, Α. και Σταμπουλής, Γ. "Ευρεσιτεχνίες και Οικονομική Μεγέθυνση στη Νότια Ευρώπη", στο 5ο Πανελλήνιο Συνέδριο Πολεοδομίας, Χωροταξίας και Περιφερειακής Ανάπτυξης, Τμήμα Μηχανικών Χωροταξίας, Πολεοδομίας και Περιφερειακής Ανάπτυξης, της Πολυτεχνικής Σχολής του Πανεπιστημίου Θεσσαλίας, Βόλος, 27-30 Σεπτεμβρίου 2018.

4. Γεωργατζή, Β., Βέτσικας, Α. και Σταμπουλής, Γ. “Αυστηρότητα περιβαλλοντικών πολιτικών και εκπομπές διοξειδίου του άνθρακα στον τομέα των μεταφορών”,  στο 5ο Πανελλήνιο Συνέδριο Πολεοδομίας, Χωροταξίας και Περιφερειακής Ανάπτυξης, Τμήμα Μηχανικών Χωροταξίας, Πολεοδομίας και Περιφερειακής Ανάπτυξης, της Πολυτεχνικής Σχολής του Πανεπιστημίου Θεσσαλίας, Βόλος, 27-30 Σεπτεμβρίου 2018. 

5. Μαρκάτου, Μ. και Βέτσικας, Α. “Επιπτώσεις της οικονομικής και χρηματοπιστωτικής κρίσης στην ελληνική δραστηριότητα κατοχύρωσης ευρεσιτεχνιών”, στο 4ο Πανελλήνιο Συνέδριο Πολεοδομίας, Χωροταξίας και Περιφερειακής Ανάπτυξης, Τμήμα Μηχανικών Χωροταξίας, Πολεοδομίας και Περιφερειακής Ανάπτυξης, της Πολυτεχνικής Σχολής του Πανεπιστημίου Θεσσαλίας, Βόλος, 24-27 Σεπτεμβρίου 2015. 

6. Βέτσικας, Α. “Στρατιωτικές δαπάνες και δημόσιο χρέος: Η περίπτωση της Πορτογαλίας”, στο 3ο Πανελλήνιο Συνέδριο Εφαρμοσμένης Οικονομικής, Τμήμα Οικονομικών Επιστημών, Πανεπιστήμιο Θεσσαλίας, Βόλος, 17-18 Μαΐου 2013.