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Publications
Working Papers

Remittances and Disaggregated Country Risk Ratings in Tunisia: An ARDL Approach

Dorsaf Sridi and Wafa Ghardallou

Tunisia is currently facing political, economic and financial problems that are having an impact on the flow of remittances. This study is the first attempt to give a thorough analysis ... read more


Publications
Working Papers

An artificial neural network augmented GARCH model for Islamic stock market volatility: Do asymmetry and long memory matter?

Manel Hamdi and Walid Chkili

The aim of this paper is to study the volatility and forecast accuracy of the Islamic stock market. For this purpose, we construct a new hybrid GARCH-type models based on ... read more


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Authors

Imed Medhioub

Dr. Medhioub is currently an Assistant Professor at the department of Finance and Investment, Imam University in Riyadh, Saudi Arabia. He received his PhD in Economics and Master of Science ... read more


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Mustapha Chaffai

Dr. Mustapha Chaffai is currently an Assistant Professor at the department of Management and Finance, Business higher school of Sfax, Tunisia. He received his PhD in Finance and Master degree ... read more


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Publications
Working Papers

Healthcare system efficiency and its determinants: A two-stage Data Envelopment Analysis (DEA) from MENA countries

Iyad Dhaoui

Efficiency is becoming one of the central preoccupations of health sector due to mounting pressures on health care resources since many years. However, assessing efficiency at cross-country level has not ... read more


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