Problem definition: Contrary to classic applications of matching theory, in most contemporary on-demand service platforms, matches can not be enforced because workers are flexible – they choose their tasks. Such flexibility makes it difficult to manage workers while keeping customers...

The European Union has developed a series of strategies that aim to limit the consequences of non-employment (due to the continuing crisis). These strategies aim by the objectives and mechanisms specific to the eco-social area, to improve the access to employment, social services, professional...