Journal articles



Short-Term Overreaction to Specific Events: Evidence from an Emerging Market. Research in International Business and Finance, forthcoming, 2015 (with Sabri Boubaker, and Hisham Farag).


World Gold Prices and Stock Returns in China: Insights for Hedging and Diversification Strategies. Economic Modelling, Vol. 44, pp. 273-282, 2015 (with Mohamed Arouri, and Amine Lahiani).


Dynamic Dependence of the Global Islamic Equity Index with Global Conventional Equity Market Indices and Risk Factors. Pacific-Basin Finance Journal, Vol. 30, pp. 189-206, 2014 (with Shawkat Hammoudeh, Walid Mensi, and Juan Carlos Reboredo).


Can Economic Uncertainty, Financial Stress and Consumer Sentiments Predict U.S. Equity Premium? Journal of International Financial Markets, Institutions and Money, Vol. 33, pp. 367-378, 2014 (with Rangan Gupta, Shawkat Hammoudeh, and Mampho P. Modise).


Instabilities in the Relationships and Hedging Strategies between Crude Oil and US Stock Markets: Do Long Memory and Asymmetry Matter? Journal of International Financial Markets, Institutions and Money, Vol. 33, pp. 354-366, 2014 (with Walid Chkili and Chaker Aloui).


Dependence of Stock and Commodity Futures Markets in China: Implications for Portfolio InvestmentEmerging Markets Review, Vol. 21, pp. 183-200, 2014 (with Shawkat Hammoudeh, Juan Carlos Reboredo, and Xiaoqian Wen).


Financial Linkages between U.S. Sector Credit Default Swaps Markets. Journal of International Financial Markets, Institutions and Money, Vol. 33, pp., 223-243, 2014 (with Mohamed Arouri, Shawkat Hammoudeh, and Fredj Jawadi).


What Explain the Short-term Dynamics of the Prices of CO2 Emissions? Energy Economics, Vol. 46, pp. 122-135, 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).


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)


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)


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)


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)


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)


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)


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)


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)


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)


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.


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)

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