[1] Univ Valladolid, Finance, Duques Soria Campus, Valladolid, Spain
[2] Istanbul Medeniyet Univ, Istanbul, Turkey
[3] Nanjing Xiaozhuang Univ, Nanjing, Peoples R China
[4] Washington State Univ, Hospitality Business Management, Pullman, WA 99164 USA
[5] Guilin Univ Technol, Guilin, Peoples R China
[6] Univ Burgos, Corp Finance, Burgos, Spain