**Acknowledgements**

NECE-UBI, R&D unit funded by the FCT—Portuguese Foundation for the Development of Science and Technology, Ministry of Education and Science, University of Beira Interior, Management and Economics Department, Estrada do Sineiro, 6200-209 Covilhã, Portugal.

REMIT—Research on Economics, Management and Information Technologies, which is supported by FCT—Foundation for Science and Technology, I.P., within the scope of the project "UIDB/05105/2020".
