“Léon Walras on The Wealth of Nations — What did he learn from Adam Smith?”. The 21st Annual Conference of the European Society for the History of Economic Thought (ESHET), University of Antwerp,18-20 May 2017.
“Walras’s zero-profit entrepreneur in the light of his pure and applied economics”. The 7th Annual Conferene of the European Society for the History of Economic Thought (ESHET) , Universités de ParisⅠ Panthéon-Sorbonne, 30 January- 1st February 2003.
“The general equilibrium theory in Japanese economic thought: From Walras to Morishima”. The conference on the Current Relevance of Léon Walras and Vilfredo Pareto and their Legacy for Modern Political Economy, University of Maastricht, 14 -15 June 2001.
“A social vision in Walras’s capital formation model”. l’Association Internationale Walras (AIW), Premier Colloque, Maison des Science Economiques, Paris, 16 septembre 1999.
“Walras on general equilibrium in a progressive economy” . Colloque, L’équilibre général: entre économie appliquée et sociologie, Université de Lausanne, Centre d’études interdisciplinaires Walras-Pareto, 22-23 octobre 1998.