administration aidesociale arbeit aspectsocial automation automatisation business digitalerevolution economicconditions economics effectofautomationon effectoftechnologicalinnovationson effetsdel'automatisationsur humanities innovations labor laborsupply marchédutravail officeautomation precariousemployment publicadministration publicwelfare publicwelfareadministration socialaspects socialsciences society technologicalinnovations travailprécaire