**Author details**

Ouidad Yousfi1 \*, Islem Mbarek1,2 and Abdelwahed Omri2

1 Montpellier Research in Management MRM, University of Montpellier, Montpellier, France

2 University of Tunis, Higher Institute of Management of Tunis, Tunis, Tunisia

\*Address all correspondence to: ouidad.yousfi@umontpellier.fr

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