[1] Univ Azores, Sch Business & Econ, P-9500321 Ponta Delgada, Portugal
[2] Univ Azores, CEEAplA, P-9500321 Ponta Delgada, Portugal
[3] WSB Univ, Fac Appl Sci, PL-41300 Dabrowa Gornicza, Poland
[4] CITUR Madeira Ctr Tourism Res Dev & Innovat, P-9000082 Funchal, Portugal
[5] Univ Johannesburg, Coll Business & Econ, POB 524, Auckland Pk, South Africa
[6] Univ Azores, Ctr Appl Econ Studies Atlantic CEEAplA, Azores Sustainable Tourism Observ OTA, P-9500321 Ponta Delgada, Portugal