Resume
This work is cataloged in the Scientific Portal. Officially published in Economies (2021). Referenced as: "Margarida Rodrigues; Alves, Maria do Ceu; CIDALIA OLIVEIRA; Vera Teixeira Vale; José Vale; Rui Silva".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.3390/economies9010041