j. Some coauthors

William Barnett, University of Kansas (USA), Homepage: "http://distinguishedprofessors.ku.edu/professor/barnett-w"

Gilles Dufrénot, AMSE-GREQAM (France), Homepage: "http://www.defi-univ.org/DUFRENOT-Gilles,2071"

Shawkat Hammoudeh, Drexel University (USA), Homepage: "https://www.lebow.drexel.edu/academics/departments/economics/faculty/shawkathammoudeh"

Sushanta Mallick, Queen Mary University of London (United Kingdom), Homepage: "http://webspace.qmul.ac.uk/skmallick/"

Georges Prat, CNRS-EconomiX (France), Homepage: "http://economix.fr/fr/membres/?id=87"

Ricardo Sousa, University of Minho (Portugal), Homepage: "http://www1.eeg.uminho.pt/economia/rjsousa/"