[1] Univ Southern Queensland, Sch Business, Toowoomba, Qld 4350, Australia
[2] Univ Kwazulu Natal, Sch Accounting Econ & Finance, ZA-4001 Durban, South Africa
[3] Stockton Univ, Sch Nat Sci & Math, Pinelands, NJ 08205 USA
[4] Macquarie Univ, Ctr Hlth Econ, Sydney, NSW 2109, Australia
[5] Macquarie Univ, Australian Inst Hlth Innovat, Sydney, NSW 2109, Australia
[6] Univ Unitelma Sapienza Rome, Sch Gender Econ, I-00161 Rome, Italy
[7] Bordeaux Sci Agro, Dept Econ & Management, F-33170 Bordeaux, France
[8] Univ Tecn Feder Santa Maria, Business Engn Dept, Santiago 2340000, Chile
[9] Stenden Univ, Econ & Econ Tourism, NL-8917 DD Leeuwarden, Netherlands