Journal articles



Financial Linkages between U.S. Sector Credit Default Swaps Markets. Journal of International Financial Markets, Institutions and Money, forthcoming, 2014 (with Mohamed Arouri, Shawkat Hammoudeh, and Fredj Jawadi).


What Explain the Short-term Dynamics of the Prices of CO2 Emissions? Energy Economics, forthcoming, 2014 (with Shawkat Hammoudeh and Ricardo Sousa).


Causal Interactions between CO2 Emissions, Foreign Direct Investment, and Economic Growth: Evidence from Dynamic Simultaneous-Equation Models. Economic Modelling, Vol. 42, pp. 382-389, 2014 (with Anis Omri and Christophe Rault).


On the Determinants of Renewable Energy Consumption: International Evidence. Energy, Vol. 72, pp. 554-560, 2014 (with Anis Omri).


Policy Uncertainty and Performance Characteristics of Sustainable Investments across Regions around the Global Financial CrisisApplied Financial Economics, forthcoming, 2014.


Overview of the Special Issue on Rethinking Risks in International Financial Markets: Modeling Tools and ApplicationsEconomic Modelling, Vol. 40, pp. 367-368, 2014.


Do Global Factors Impact BRICS Stock Markets? A Quantile Regression ApproachEmerging Markets Review, Vol. 19, pp. 1-19, 2014 (with Walid Mensi, Shawkat Hammoudeh, and Juan Carlos Reboredo)


On the Detection of Extreme Movements and Persistent Behavior in Mediterranean Stock Markets: a Wavelet-based ApproachApplied Economics, Vol. 46, No. 22, 2622-2622, 2014 (with Chaker Aloui) 


Energy Prices and CO2 Emission Allowance Prices: A Quantile Regression ApproachEnergy Policy, Vol. 70, pp. 201-206, 2014 (with Shawkat Hammoudeh and Ricardo Sousa) 


Dynamic Spillovers among Major Energy and Cereal Commodity PricesEnergy Economics, Vol. 43, pp. 225-243, 2014 (with Shawkat Hammoudeh, Walid Mensi, and Seong-Min Yoon) 


Oil Prices and MENA Stock Markets: New Evidence from Nonlinear and Asymmetric Causalities during and after the Crisis PeriodApplied Economics, Vol. 46, No. 18, pp. 2167-2177, 2014 (with Ahdi Noomen Ajmi, Ghassen El Montasser, and Shawkat Hammoudeh) 


Dependence and Extreme Dependence of Crude Oil and Natural Gas Prices with Applications to Risk ManagementEnergy Economics, Vol. 42, pp. 332-342, 2014 (with Riadh Aloui, Safouane Ben Aïssa, and Shawkat Hammoudeh) 


Cross-market Dynamics and Optimal Portfolio Strategies in Latin American Equity Markets. European Business Review, forthcoming, 2014 (with Mohamed Arouri and Amine Lahiani) 

Time-varying Regional Integration of Stock Markets in Southeast EuropeApplied Economics, Vol. 46, No. 11, pp. 1279-1290, 2014 (with Khaled Guesmi)

Exchange Rate Movements and Stock Market Returns in a Regime-Switching Environment: Evidence for BRICS Countries. Research in International Business and Finance, Vol. 31, pp. 46-56, 2014 (with Walid Chkili)

Volatility Forecasting and Risk Management for Commodity Markets in the Presence of Asymmetry and Long Memory. Energy Economics, Vol. 41, pp. 1-18, 2014 (with Walid Chkili and Shawkat Hammoudeh)


How Strong are the Causal Relationships between Islamic Stock Markets and Conventional Financial Systems? Evidence from Linear and Nonlinear Tests. Journal of International Financial Markets, Institutions and Money, Vol. 28, pp. 213-227, 2014 (with Ahdi Noomen Ajmi, Shawkat Hammoudeh, and Soodabeh Sarafrazi) 


Further Evidence on the Determinants of Regional Stock Market Integration in Latin America. European Journal of Comparative Economics, Vol. 10, No. 3, 297-313, 2013 (with Khaled Guesmi and Frédéric Teulon)


Asymmetric and Nonlinear Pass-through of Crude Oil Prices to Gasoline and Natural Gas Prices. Energy Policy, Vol. 65, pp. 567-573, 2013 (with Ahmed Atil and Amine Lahiani)


On Short- and Long-run Efficiency of Energy and Precious Metal Markets. Energy Economics, Vol. 40, pp. 832-844, 2013 (with Mohamed Arouri, Shawkat Hammoudeh, and Amine Lahiani)


Testing the Relationships between Energy Consumption and Income in G7 Countries with Nonlinear Causality Tests. Economic Modelling, vol. 35, pp. 126-133, 2013 (with Ahdi Noomen Ajmi and Ghassen El Montasser)


A Time-varying Copula Approach to Oil and Stock Market Dependence: the Case of Transition Economies. Energy Economics, Vol. 39, pp. 208-221, 2013 (with Riadh Aloui and Shawkat Hammoudeh)


Assessing the Intensity of US-Latin American Market Comovements and Contagion Effects in Times of Crisis. Journal of Quantitative Economics, forthcoming, 2013 (with Mohamed Arouri and Amine Lahiani)


Does the Board of Directors Affect Cash Holdings? A Study of French Listed Firms. Journal of Management and Governance, forthcoming, 2013 (with Sabri Boubaker and Imen Derouiche)


What Can We Tell about Monetary Policy Synchronization and Interdependence over the 2007-2009 Global Financial Crisis? Journal of Macroeconomics, Vol. 36, pp. 175-187, 2013 (with Mohamed Arouri and Fredj Jawadi)


Conditional Dependence Structure between Oil Prices and Exchange Rates: A Copula-GARCH Approach. Journal of International Money and Finance, Vol. 32, No. 2, pp. 719-738, 2013 (with Riadh Aloui and Mohamed Ben Aïssa)


Information Technology Sector and Equity Markets: An Empirical Investigation. Applied Financial Economics, Vol. 23, No. 9, 729-737, 2013 (with Fredj Jawadi, Nabila Jawadi, and Hassan Obeid)


Further Evidence on the Time-varying Efficiency of Crude Oil Markets. Energy Studies Review, Vol. 19, No. 2, 38-51, 2012 (with Chaker Aloui, Manel Hamdi, and Walid Mensi)


Assessing the Impacts of Oil Price Fluctuations on Stock Returns in Emerging Markets. Economic Modelling, Vol. 29, No. 6, pp. 2686-2695, 2012 (with Chaker Aloui and Hassen Njeh)


An International CAPM for Partially Integrated Markets: Theory and Empirical Evidence. Journal of Banking and Finance, Vol. 36, No. 9, pp. 2473-2493, 2012 (with Mohamed Arouri and Kuntara Pukthuanthong)


Modeling Nonlinear and Heterogeneous Dynamic Linkages in International Monetary Markets. Macroeconomic Dynamics, Vol. 16, S2, pp. 232-251, 2012 (with Mohamed Arouri and Fredj Jawadi)


Equity Market Comovements and Financial Contagion: A Study of Latin America and United States. Bankers, Markets and Investors, No. 126, September-October, 2013 (Mohamed Arouri and Amine Lahiani)


Long Memory and Structural Breaks in Modeling the Return and Volatility Dynamics of Precious Metals. Quarterly Review of Economics and Finance, Vol. 52, No. 2, pp. 207-218, 2012 (with Mohamed Arouri, Shawkat Hammoudeh, and Amine Lahiani)


Crude Oil Market Efficiency: an Empirical Approach via Shannon Entropy. International Economics/Economie Internationale, No. 129, pp. 119-137, 2012 (with Walid Mensi, Chaker Aloui, and Manel Hamdi)


Asymmetric Effects and Long Memory in Dynamic Volatility Relationships between Stock Returns and Exchange Rates. Journal of International Financial Markets, Institutions and Money, Vol. 22, No. 4, pp. 738-757, 2012 (with Chaker Aloui and Walid Chkili)


Nonlinearities in Carbon Spot-Futures Price Relationships during Phase II of the EU ETS. Economic Modelling, Vol. 29, No. 3, pp. 884-892, 2012 (with Mohamed Arouri and Fredj Jawadi)


On the Relationships between World Oil Prices and GCC Stock Markets. Journal of Quantitative Economics, Vol. 10, No. 1, pp. 98-120, 2012 (with Mohamed Arouri, Jamel Jouini, and Nhu Tuyen Le)


Forecasting the Conditional Volatility of Oil Spot and Futures Prices with Structural Breaks and Long Memory Models. Energy Economics, Vol. 34, No. 1, pp. 283-293, 2012 (with Mohamed Arouri, Amine Lahiani, and Aldo Lévy)


On the Impacts of Oil Price Fluctuations on European Equity Markets: Volatility Spillover and Hedging Effectiveness. Energy Economics, Vol. 34, No. 2, pp. 611-617, 2012 (with Mohamed Arouri and Jamel Jouini)


Relevance of Fair Value Accounting for Financial Instruments: Some French Evidence. International Journal of Business, Vol. 17, No. 2, 2012 (with Mohamed Arouri, Mondher Bellalah, and Nessrine Ben Hamida)


Did the Securitization contribute to the Release of the Subprime Crisis? Empirical Investigation of American Banks. International Journal of Business, Vol. 17, No. 1, pp. 81-97, 2012 (with Ons El Gaied, Chaker Aloui, and Oussama Ben Salha)


On Volatility Spillovers between Oil Prices and Stock Sector Returns: Implications for Portfolio Management. Journal of International Money and Finance, Vol. 30, No. 7, pp. 1387-1405, 2011 (with Mohamed Arouri and Jamel Jouini)


How Strong is the Global Integration of Emerging Market Regions? An Empirical Assessment. Economic Modelling, Vol. 28, No. 6, pp. 2517-2527, 2011 (with Khaled Guesmi)


L’Intégration Financière des Marchés d’Actions Emergents: une Analyse au Niveau Régional. Economie Appliquée, Vol. 64, No. 2, pp. 143-180, 2011 (with Khaled Guesmi)


Return and Volatility Transmission between World Oil Prices and Stock Markets of the GCC Countries. Economic Modelling, Vol. 28, No. 4, pp. 1815-1825, 2011 (with Mohamed Arouri and Amine Lahiani)


Further Evidence on the Responses of Stock Prices in GCC Countries to Oil Price Shocks. International Journal of Business, Vol. 16, No. 1, pp. 89-102, 2011 (with Mohamed Arouri and Mondher Bellalah)


Global Financial Crisis, Extreme Interdependences, and Contagion Effects: The Role of Economic Structure? Journal of Banking and Finance, Vol. 35, No. 1, pp. 130-141, 2011 (with Riadh Aloui and Safouane Ben Aïssa)


Stock Returns and Oil Price Fluctuations: Short- and Long-Run Analysis in the GCC Context. International Journal of Global Energy Issues, Vol. 33, No. 3&4, 121-138, 2010 (with Mohamed Arouri)


Time-varying Predictability in Crude Oil Markets: The Case of GCC Countries. Energy Policy, Vol. 38, No. 8, pp. 4371-4380, 2010 (with Mohamed Arouri and Thanh Huong Dinh)


Oil Prices, Stock Markets and Portfolio Investment: Evidence from Sector Analysis in Europe over the Last Decade. Energy Policy, Vol. 38, No. 8, pp. 4528-4539, 2010 (with Mohamed Arouri)


Efficiency and Threshold Stock Price Adjustment: The American Stock Market Case. Bankers, Markets and Investors, No. 105, pp. 39-45, 2010 (with Mohamed Arouri and Fredj Jawadi)


Time-varying Characteristics of Cross-market Linkages with Empirical Applications to Arabian Stock Markets. Managerial Finance, Vol. 36, No. 1, pp. 57-70, 2010 (with Mohamed Arouri)


La Dynamique de la Volatilité Boursière autour de l’Ouverture des Marchés de Capitaux. Economie & Prévision, Vol. 192, No. 1, pp. 65-82, 2010.


Global Financial Crisis, Liquidity Pressure in Stock Markets and Efficiency of Central Bank Interventions. Applied Financial Economics, Vol. 20, No. 8, pp. 669-680, 2010 (with Mohamed Arouri and Fredj Jawadi)


Stock Market Integration in the EURO Area: Segmentation or Linear Modelling Misspecification? International Journal of Business, Vol. 15, No. 3, pp. 307-317, 2010 (with Mohamed Arouri and Fredj Jawadi)


Stock Market Liberalization, Structural Breaks and Dynamic Changes in Emerging Market Volatility. Review of Accounting and Finance, Vol. 7, No. 4, pp. 396-411, 2008 (with Mondher Bellalah)


Underreaction and Overreaction around Earnings Announcements: An Experimental Study. Bankers, Markets and Investors, No. 97, pp. 31-42, 2008 (with Thanh Huong Dinh)


Stock Market Liberalization and Informational Efficiency in Emerging Markets: New Consideration and Tests. Bankers, Markets and Investors, No. 84, pp. 6-17, 2006 (with Patrice Fontaine)



Understanding Return and Volatility Spilovers among Major Agricultural Commodities. Journal of Applied Business Research, Vol. 29, No. 6, forthcoming, 2013 (with Amine Lahiani and Thierry Vo)


Corporate Performance of Privatized Firms in Vietnam. Journal of Applied Business Research, Vol. 29, No. 5, forthcoming, 2013 (with Fredric William Swierczek and Thi Quy Vo)


The Short- and Long-term Performance of Privatization Initial Public Offerings in Europe. Journal of Applied Business Research, Vol. 29, No. 4, pp. 1189-1198, 2013 (with Haykel Hamdi and Hassan Obeid)


Time-scale Comovement between the Indian and World Stock Markets. Journal of Applied Business Research, Vol. 29, No. 3, pp. 765-776, 2013 (with Rahul Dora)


Oil-stock Volatility Transmission, Portfolio Selection and Hedging. Economics Bulletin, Vol. 32, No. 4, pp. 2768-2778, 2012 (with Mohamed Arouri and Amine Lahiani)


Nonlinear Modeling of Oil and Stock Price Dynamics: Segmentation or Time-varying Integration. Economics Bulletin, Vol. 32, No. 3, pp. 2481-2489, 2012 (with Mohamed Arouri and Fredj Jawadi)


Corporate Ownership Structure and Organizational Culture in a Transition Economy: the Case of Vietnam. International Journal of Economics and Finance, Vol. 3, No. 4, pp. 36-47, 2011 (with Thi Quy Vo)


Modeling the Volatility of Mediterranean Stock Markets: A Regime-Switching Approach. Economics Bulletin, Vol. 31, No. 2, pp. 1105-1113, 2011 (with Walid Chkili)


ROE and Value Creation under IAS/IFRS: Evidence of Discordance from French Firms. European Financial and Accounting Journal, Vol. 5, No. 1, pp. 1-28, 2010 (with Mohamed Arouri and Aldo Lévy)


The Comovements in International Stock Markets: Evidence from Latin American Emerging Countries. Applied Economics Letters, Vol. 17, No. 13, pp. 1323-1328, 2010 (with Mohamed Arouri and Mondher Bellalah)


Stock Market Integration in Mexico and Argentina: Are Short and Long-run Considerations Different? Applied Economics Letters, Vol. 17, No. 15, pp. 1503-1507, 2010 (with Fredj Jawadi and Mohamed Arouri)


La Valorisation des Instruments Financiers en Juste Valeur et Performance de Marché en Temps de Crise. Gestion 2000, No. 6, pp. 81-98, 2010 (with Nessrine Ben Hamida)


Does Financing Behavior of Tunisian Firms follow the Predictions of the Market Timing Theory of Capital Structure?Economics Bulletin, Vol. 29, No. 1, pp. 169-181, 2009(with Adel Boubaker)


Rational Speculative Bubbles: Theory and Empirics in a Frontier Emerging Markets. ICFAI Journal of Applied Finance, Vol. 15, No. 6, pp. 49-61, 2009 (with Adel Boubaker and Imen Taouni)


More on Corporate Diversification, Firm Size and Value Creation. Economics Bulletin, Vol. 7, No. 3, pp. 1-7, 2008 (with Adel Boubaker and Walid Mensi)


An Empirical Analysis of Structural Changes in Emerging Market Volatility. Economics Bulletin, Vol. 6, No. 10, pp. 1-10, 2008.


The Global and Regional Factors in the Volatility of Emerging Sovereign Bond Markets. American Journal of Finance and Accounting, Vol. 1, No. 1, pp. 52-68, 2008 (with Thanh Huong Dinh)


International Stock Return Linkages: Evidence from Latin American Markets. European Journal of Economics, Finance and Administrative Sciences, No. 11, pp. 57-65, 2008 (with Fredj Jawadi and Mohamed Arouri)


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