1. The Paper titled: "Two Levels of Hedonistic Influence on Microeconomic Theory"; was presented to the Scottish Economists' Conference,  Burns, Scotland, September, 1988.

 

2. The Paper titled: "The Implicit Psychology of the Theory of the Rational Consumer" was presented to the Scottish Economists' Conference, Burns, Scotland, August, 1989.

 

3. The Paper titled: "Choice Theory and Non-Market Clearing Equilibrium with emphasis on the Labour and Product Markets" was presented to the ISINI Conference,  Athens, July, 1992. (Conference Grant from Royal Economic Society).

 

4. The Paper titled "Modelling Menger's Consumer Theory" was presented to the Annual Congress of the European Economic Association, Helsinki, Finland, August, 1993.

 

5. The Paper titled “Utility from Work  and Priority Target Setting Behaviour" (with I. Theodossiou) was presented to the Wage Econometrics and Modelling Conference , Aix en Provence, France, April 1994.  

 

6. The Paper titled “Origins and Development  of the  Trend  Towards Value-Free Economics, was  presented to the European Conference of the  History of Economics, Lisbon, Portugal,  February 1996.

 

7. The Paper titled “The Concept of Orders of Instruments and Goods in Rae and Menger”, was  presented to the John Rae Bicentenary Conference, University of Aberdeen, U.K., March 1996.

         

8. The Paper titled  “Marginalist Consumer Theory:   Delay, Acceptance and History Texts” (with A. Karayiannis) was presented to European Conference of the  History of Economics, Athens, Greece,  April 1997.

 

9.  The Paper titled  “Hierarchical choice and Wine Consumption” (with I. Theodossiou) was presented to the  Applied Econometrics Conference, Ajaccio, France, October, 1998.  

 

10. The Paper titled “Union Wage Aspirations, Taxes and Fringe Benefits” was presented to the Scottish Economic Society Conference, Edinburgh, U.K. April 1999.

 

11. The Paper titled “The Influence of Kuhn and Lakatos in the History of Economic Thought” was presented to the 100 Years of Philosophy Symposium, University of Bosphorus,  Instabul, Turkey, May 2000.  

 

12. The Paper titled “The Development of  Hierarchical Behaviour in Economic Thought” (with A. Karayiannis) was presented to the  European Conference of  the  History of Economics, Rethymnon, Greece,  March 2002.

 

13. The Paper titled  “Union Wage Aspirations, Taxes and Fringe Benefits”  was presented to the International Conference of the Economics Society of Thessaloniki, Thessaloniki, October 2002.

 

14. The Paper titled “Human Needs Hierarchy and Happiness: Evidence from the late Pre-classical and Classical Economics” (with A. Karayiannis) was presented to the Paradoxes of Happiness International Conference, Milan, Italy, March 2003.

 

15. The Paper titled “Work Effort in Retrospect: Evidence from the late Pre-classical and Classical Economics” (with A. Karayiannis) was presented to the European Conference of the  History of Economics, Venice, Italy, February 2004.

 

16. The Paper titled “Collection, Organization and Presentation of Data Concerning Income and Health Levels” was presented to the EU Research Project Conference “Sociold” in Helsinki, Finland, October, 2004.

 

17. The Paper titled “The Paradox of Happiness and Hierarchical Choice”  was presented to the 30^th Annual IAREP Congress, Prague, Czech Republic, September 2005.

 

18. The Paper titled “Normative Issues in Marginalism: the Case of P. Wicksteed” was presented to the European Conference of the  History of Economics, in Strasbourg, France, July, 2007.

 

19. The Paper titled “The Concept of Comparison Income: An Historical Approach” was presented to the European Conference of the  History of Economics, in Prague, Czech Republic, May, 2008.

 

20. The Paper titled “Economic Aspects of Greek Health and National Insurance Systems” was presented to the Corvinus Health Policy Miniconference Series, in Budapest, Hungary, April, 2009.

 

21. The Paper titled “Recessions, Economic Policy and Health Inequalities” was presented to the 5^th International Vilnius Conference KORSD-2009, in Vilnius, Lithuania, September, 2009.

 

22. The Paper titled “Mainstream Economics and Interdependent Preferences: An Historical Perspective”, was presented to the European Conference of the  History of Economics, in Amsterdam, Holland,  March, 2010.

 

23. The Paper titled “Workers’ Risk Underestimation and Occupational Health and Safety Regulation”,  (with I. Theodossiou), was presented to the Economic and Social Implications of Health and Safety at Work Conference, in Thessaloniki, January, 2012.

 

24. The Paper titled “The Development of Trade Union Objectives: Historical and Methodological Discussion” was presented to the European Conference of the  History of Economics, in St. Petersburg, Russia, May, 2012.

 

25. The Paper titled “The Physics scientific Ideal in the Works of Edgeworth and Fisher”  was presented to the International Conference in Memory of Anastassios D. Karayiannis, in Volos, Greece, October, 2013.

 

26. The Paper titled “Mathematical Psychics and Hydraulics: The Methodological Influence of Edgeworth and Fisher” was presented to the European Conference of the  History of Economics,  Lausanne, Switzerland, May, 2014.

 

27. The Paper titled “The impact of purchase motivation on happiness: experiential and material purchases” (with Kousi, S., and Kokkinaki, F.), was presented to the Annual Conference of the Association for Consumer Research, San Diego, CA, October, 2017.

 

28. The Paper titled “Export product development exploitation and exploration and performance: Linear, moderated, complementary and non-linear effects”, (with A. Lisboa and D. Skarmeas), was presented to the 2019 AMA Global Marketing SIG Conference, Buenos Aires, Argentina, May, 2019.

 

29. The Paper titled “Labor earnings, happiness and work-related stress: An empirical analysis”, (with K. Grimani) was presented to the 17th ISQOLS Annual Conference, Granada, Spain, September, 2019.

 

30. The Paper titled “The Relationship between Psychology and Economics: Insights from the History of Economic Thought” (with I. Katselidis) was presented to the European Conference for the History of Economics, Sofia, Bulgaria, October 2021.

 

31.The Paper titled “Happiness Economics and Psychology: An Historical and Methodological Approach” was presented to the  26^th European Conference for the History of Economics, Liege, Belgium, June 2023.

 

32.The Paper titled “The Economics of Trade Unions: History, Methodological Problems and Issues of Interdisciplinarity”, was presented to the  27^th European Conference for the History of Economics, Graz, Austria, May 2024.

 

33.The Paper titled “The Economics of Happiness and its Relation to Psychology: Historical and Methodological Aspects” was presented to the 22nd Conference of the International Society for Quality-of-Life Studies (ISQOLS ), Kota Kinabalu, Malaysia, June 2024.

 

34.The Paper titled  “Tony Lawson’s Critique of Modern Economics and his Contribution to Heterodox Economics”, was presented to the 28th European Conference for the History of Economics, Torino, Italy, May 2025.

 

35. The Paper titled  “The Role of Psychology in the Post War II Non-Mainstream tradition:  George Katona, Harvey Leibenstein, and Tibor Scitovsky”, (with I. Katselidis), was presented to the 29th European Conference for the History of Economics, Nice, France, May 2026.