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https://www.ips-journal.eu/topics/european-integration/europes-south-on-the-path-to-recovery-5241/?utm_campaign=en_903_20210615&utm_medium=email&utm_source=newsletter
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-point-de-vue-planification-juin.pdf
https://pubs.aeaweb.org/doi/pdfplus/10.1257/jep.36.4.103