[1] Oklahoma State Univ, Spears Sch Business, Sch Hospitality & Tourism Management, Stillwater, OK 74078 USA
[2] Univ Massachusetts, Dept Hospitality & Tourism Management, Amherst, MA 01003 USA
[3] Oklahoma State Univ, Sch Hotel & Restaurant Adm, Stillwater, OK 74078 USA
[4] Inst Paul Bocuse, BP 25, F-69131 Ecully, France