Conferences

1/ Keynote & invited speaker

• 2025: Lecturer, United States Society for Ecological Economics (USSEE - US), with lecture ‘Beyond the EKC: Economic Development and Environmental Degradation in the US’, within the 'USSEE Seminar'

•  2025: Lecturer, ZHAW Zurich University of Applied Sciences (Switzerland), with lecture ‘Does Trade Competition with the United States Influence CO2 Emissions in China?’, within the ‘International Business Seminar Series'

•  2024: Lecturer, ESCE International Business School Paris (France), with lecture ‘Refugee Flows, Unemployment, and Start-Ups’, within the 'ESCE Research Seminar'

•  2024: Lecturer, University of A Coruna (Spain), with lecture ‘Demand for electric cars and oil prices: a wavelet approach’, within the '3rd GCD Workshop on Regional Development and Innovation' of Department of Economic Analysis and Business Administration

•  2023: Lecturer, University of Orleans, Laboratoire d'Economie d'Orleans (LEO) (France), with lecture ‘Tax evasion and bribery. To bribe or not to bribe, that is the question!’, within the ‘LEO seminars'

•  2021: Lecturer, University of A Coruna (Spain), with lecture ‘Okun's law in the US: new insights in time and frequency', within the '3rd GCD Workshop on Regional Development and Innovation' of Department of Economic Analysis and Business Administration

•  2021: Keynote speaker, Zeppelin University in Friedrichshafen (Germany), with lecture ‘Artificial Intelligence and Unemployment’, within the '6th International Student Research Conference 2021'

•  2021: Lecturer, Johannes Kepler Universität Linz (Austria), with lecture ‘A wavelet investigation of Okun's law in US’, within the 'Lunch Time Seminar' of Department of Economics

•  2020: Keynote speaker, Ss. Cyril and Methodius University in Skopje (North Macedonia), with lecture ‘Artificial intelligence and unemployment: new insights’, within the Plenary Section of the 1st International Scientific Conference on “Economic and Business Trends Shaping the Future”

•  2019: Lecturer, University of A Coruna (Spain), with lecture ‘Artificial intelligence and unemployment in G7 countries’, within the Workshop ‘1st GCD Seminar on Innovation and Regional Development'

•  2019: Lecturer, University of Salzburg (Austria), with lecture ‘A wavelet investigation of Okun's law in US’, within the 'Wirtschaftswissenschaftliches Forschungsseminar'

•  2018: Lecturer, ESCE International Business School Paris (France), with lecture ‘Exports and financial performances in the French cosmetic industry’, within the 'ESCE Research Seminar'

•  2018: Lecturer, ESCE International Business School Paris (France), with lecture ‘Trade openness and business cycle synchronization in Eurozone: a wavelet approach’, within the 'ESCE Research Seminar'

•  2017: Lecturer, University of A Coruna (Spain), with lecture ‘Tax and spending in Romania: a wavelet analysis', within the 'Seminar' of Department of Economic Analysis and Business Administration

•  2017: Invited lecturer, 'Alexandru Ioan-Cuza University' (Romania), Faculty of Economy and Business Administration, Romania, with lecture 'Challenges of integrating in an international research network', within the `ADER Series'

•  2017: Invited lecturer, University of Amiens, Centre de Recherche sur les Institutions, l'Industrie et les Systèmes Economiques d'Amiens (CRIISEA – France), with lecture ‘A wavelet analysis of globalization and growth in eurozone: the case of France', within the 'Atelier: Histoire appliqueé de la penseé'

•  2017: Lecturer, Loire Valley Institute for Advanced Studies, Orléans & Tours (France), with lecture ‘A wavelet analysis of globalization and growth in Eurozone: the case of France ', within the 'Le Studium Thursday'

•  2017: Invited lecturer, University of Orleans, Laboratoire d'Economie d'Orleans (LEO – France), with lecture ‘'New evidences regarding the tax-spending nexus in Romania through wavelet analysis', within the `LEO seminars'

•  2016: Invited lecturer, 'Alexandru Ioan-Cuza University', Faculty of Economy and Business Administration (Romania), with lecture ‘How to deal with deficits in Romania. A wavelet analysis`, within the `Workshop on „Financial stability in Europe. Challenges and perspectives”, project: How Banking Competition, Efficiency and Stability Evolve During the Crisis in Europe: An Agent - Principal Approach (BANK-CES) - PN-II-RU-TE-2014-4-0291

•  2016: Invited lecturer, 'Alexandru Ioan-Cuza University', Faculty of Economy and Business Administration (Romania), with lecture ‘Academic Writing in Economics and Business Administration', within the `ADER Series'

•  2016: Invited lecturer, Babes-Bolyai University (Romania), with lecture ‘Academic writing in social sciences’, within the 'CFCIDFR Seminar Series'

•  2016: Erasmus teaching mobility, University Complutense de Madrid, Faculty of Economics and Business (Spain), with lecture 'Government failure'

•  2015: Invited lecturer, University of Bordeaux, Groupe de Recherche en Économie Théorique et Appliquée (GREThA – France), with lecture 'New evidences regarding the tax-spending nexus in Romania through wavelet analysis', within the GREThA seminars series

•  2015: Erasmus teaching mobility, University d'Auvergne Clermont-Ferrand (France), with lecture 'A public choice approach of government failure'

•  2014: Erasmus teaching mobility, Uniwersytet Ekonomiczny w Poznaniu (Poznan University of Economics - Poland), with lecture 'The determinants of taxation'

•  2013: Invited lecturer, University of East Anglia, School of Economics, Norwich (United Kingdom), with lecture 'New determinants of collected tax revenues', within the Contemporary Economic Issues lectures series

•  2013: Invited keynote speaker, Babes-Bolyai University (Romania), with lecture on ‘Fiscal policy and growth implications of clime conditions’, within the Exploratory Workshop `Redefining the architecture and governance of fiscal policy for stimulating the economic growth

2/ Conferences (selections)

• “Does Trade Competition with the United States Influence CO2 Emissions in China?”, 14th International Conference on Business, Management and Economics (Nice, 2025)

•  ”Tax evasion and bribery. To bribe or not to bribe, that is the question!”, INFER annual conference (Chania, 2024), “Unravelling the influence of pole motion on CO2 emissions: exploring the pathways through global warming facilitated by economic development and renewable energy”, 13th International Conference on Business, Management and Economics (Nice, 2024), The 2025 International Conference on Public Economic Theory (Lisbon, 2025).

•  ”Electric cars and oil prices: a wavelet analysis” (with C. Strango), ”Smart Diaspora” Conference  (Timisoara, 2023)

•  ”Public debt and inequality in Sub-Saharan Africa:  the case of EMCCA and WAEMU countries” (with A. Lessoua and B. Ianc), International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2021), INFER annual conference (Timisoara, 2022), 7th International Conference on Business, Management and Economics (Nice, 2022).

•  ”Trade, oil price and exchange rates in China: a wavelet analysis” (with C. Turcu and Y. Zhang), Online Symposium on Circular Economy and Sustainability (Alexandroupolis, 2020), INFER annual conference (Bordeaux, 2017);

•  “A wavelet investigation of Okun's law in US”, International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2019), 11th Conference "Economic Challenges in Enlarged Europe" (Tallinn, 2019), ETSG 2019 Bern, 21st Annual Conference (2019) and Econometric Modeling in Economics and Finance (Beograd, 2019);

•  “Artificial intelligence and unemployment in G7 countries”, Enterprise and Competitive Environment Conference at Mendel University in Brno - ECE2019 (Brno, 2019) and International Conference ”Globalization and Higher Education in Economics and Business Administration” (Iasi, 2019);

•  “Financial performance and exports: the case of Romanian winemakers” (with A. Lessoua and C. Turcu), INFER–INSEEC–AAWE–LAREFI Workshop on Wine Macroeconomics and Finance (Lyon, 2018) and 10th International Research Meeting in Business and Management (IRMBAM 2019) (Nice 2019);

•  “European Union - trade openness or CO2 emissions?”, 10th International Conference & Summer School Economic Challenges in Enlarged Europe (Tallinn, 2018);

•  ”Trade Openness and Business Cycle Synchronization in Eurozone: a Wavelet Approach” (with C. Turcu), Le Studium Conference 'Globalization and growth in eurozone: new challenges' (Orleans, 2017);

•  ”A time-frequency analysis of trade openness and CO2 emissions in European Union”, International Conference ”Globalization and Higher Education in Economics and Business Administration” (Iasi, 2017) and INFER annual conference (Gottingen, 2018);

•  ”French cosmetic industry in the globalization area: an analysis of exports and financial performances” (with A. Murgea), INFER annual conference (Bordeaux, 2017);

•  ”A time-frequency analysis of globalization and environmental degradation in France”, International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2017), 8th International Research Meeting in Business and Management (Nice, 2017), Arnoldshain Seminar XV "EU and LA facing globalization" (Vienna, 2017) and Symposium Recherche INSEEC U. (Paris, 2018);

•  ”A wavelet analysis of the Environmental Kuznets Curve in France” (J-C. Pereau and E. Ursu), Annual Scientific Conference of Romanian Academic Economists - ERMAS 2016 (Timisoara, 2016) and International Conference ”Globalization and Higher Education in Economics and Business Administration” (Iași, 2016);

•  ”New evidences regarding the tax-spending nexus in Romania through wavelet analysis”, International Conference ”The Research World of Interconnection” (Timisoara, 2015) and 8th International Conference Economic Challenges in Enlarged Europe (Tallinn, 2016);

•  ”Public debt and economic freedom in EU’s former socialist countries” (with O. Mura), International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2015) and Annual Scientific Conference of Romanian Academic Economists - ERMAS 2016 (Timisoara, 2016);

•  “State fragility and fiscal decentralization in EU ex-communist countries in a public choice approach” (with F. Forte), The Annual Meeting of the European Public Choice Society (Groningen, 2015) and 79th International Atlantic Economic Conference (Milano, 2015);

•  “Tax revenues and aging in ex-communist EU countries“ (with M. Cieślukowski), International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2014);

•  “The behaviour of US and UK public debt: further evidence based on time varying parameters“ (with S. Bolat and A. Tiwari), International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2014);

•  “Does Migration Affect the Tax Revenues in Europe” (with L. Harding), The 2014 Annual Conference of the Royal Economic Society (Manchester, 2014);

•  ”Tax Revenues under World Religion: A Panel Analysis”, INFER annual conference (Orleans, 2013) and accepted at The Present Economic and Sovereign Debt Crisis: Evaluation and the Way Out (Porto, 2012);

•  “Does Compulsory Voting Increase Collected Tax Revenues?”, accepted at Warsaw International Economic Meeting (Warsaw, 2012);

•  “Influence of clime conditions on tax revenues”, The Annual Meeting of the European Public Choice Society (Cambridge, 2014), International Conference ”Current Economic Trends in Emerging and Developing Countries” (Timisoara, 2013), 9th International Conference Developments in Economic Theory and Policy (Bilbao, 2012) and International Conference on Applied Business and Economics - ICABE (Nicosia, 2012);

•  „Taxation under Media Capture” - new version, accepted at Ioannina Meeting on Applied Economics and Finance (Athena, 2012), and at 2nd International Conference in Economics 2012 (Porto, 2012);

•  “Taxation and Democracy”, accepted at 4th Week on Growth, Trade and Economic Development: Theory and Evidence (Mexico City, 2011), and at 2011 Australasian Public Choice Conference (Dunedin, 2011);

•  “Taxation under Media Capture” (with F. Estrada), Globalization and Higher Education in Economics and Business Administration, (Iasi, 2011);

•  “Policies for Social Inclusion and Human Development” (with B. Dima, I. Talpos and S. Dima), The Annual Meeting of the European Public Choice Society (Rennes, 2011) and OECD Congress in Welfare Economics - New Directions in Welfare 2011 (Paris, 2011);

•  “Economic Growth and Globalization in Romania” (with A.M. Fleischer), accepted at 2011 Costa Rica Global Conference on Business and Finance (San Jose, 2011);

•  “A Probit Approach of Laffer Curve: The Romania’s Case” (cu A.M. Fleischer), International Conference for Academic Disciplines (Harvard, 2010);

•  “Economic Development and Democracy in Romania” (cu A.M. Fleischer), accepted at 2010 Annual Meeting of The European Public Choice Society (Izmir, 2010);

•  “The economic and sociopolitical factors of minimal democracy in Romania” (with A.M. Fleischer), European Conference for Academic Disciplines (Gottenheim, 2009);

•  “The Impact of Taxes on The Companies from the Constructions Sector” (with D. Bridescu-Olariu, M. Pantea și A. Pelin), International Conference on Applied Business and Economics (Kavala, 2009);

•  “A VAR Analysis of FDI and Wages: The Romanian Case” (with A.M. Fleischer), European Trade Study Group Eleventh Annual Conference (Rome, 2009);

•  “Empirical Evidences For The Budget Deficits Co-Integration In The Old European Union Members: Are There Any Interlinkages In Fiscal Policies?” (with C. Enache, B. Dima and I. Talpos), 2009 Annual Meeting of The European Public Choice Society (Athena, 2009);

•  “Democracy, Political Regime Durability and Development: The Romanian’s Case” (with A.M. Fleischer), accepted at International Crisis and Development - Private and Public Responses (Montevideo, 2009).