<http://dx.doi.org/10.1101/2020.07.31.20165662> <http://purl.org/spar/cito/cites> <http://dx.doi.org/10.5923/j.economics.20201004.02> . <http://dx.doi.org/10.1101/2020.07.31.20165662> <http://purl.org/spar/cito/cites> <http://dx.doi.org/10.46333/ijtc/9/1/9> . <http://dx.doi.org/10.1101/2020.07.31.20165662> <http://purl.org/dc/terms/identifier> "14e484e6f48dcc492ccad50691b90b4d14b6893e" . <http://dx.doi.org/10.1101/2020.07.31.20165662> <http://purl.org/spar/cito/cites> <http://dx.doi.org/10.4249/scholarpedia.1332> . <http://dx.doi.org/10.1101/2020.07.31.20165662> <http://purl.org/spar/pro/creator> <https://orcid.org/0000-0002-8849-314X> . <http://dx.doi.org/10.1101/2020.07.31.20165662> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/spar/fabio/Work> .