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Working papers

publié le

2021

Allocation Rules for Multi-choice Games with a Permission Tree Structure

David Lowing, Working paper GATE 2021-06
We consider multi-choice cooperative games with a permission tree structure. Multi-choice games are a generalization of a cooperative transferable utility games in which each player has several activity levels. In addition, a permission tree structure models a situation in which a player needs permission from another player to cooperate. In this framework, the influence of a permission structure on the possibility of cooperation may have several interpretations depending on the context. In this paper, we investigate several of these interpretations and introduce for each of them a new allocation rule that we axiomatically characterize.

Does the formal home care provided to old-adults persons affect utilisation of support services by informal carers ? An analysis of the French CARE and the U.S. NHATS/NSOC surveys

Wilfried Guets, Working paper GATE 2021-05
The role of informal carers in long-term care sheds light on the struggle related to population ageing and the increasing incidence of chronic disease. However, despite the increasing number of informal carers, most of them experienced the burden of caregiving. Since various policies have been implemented across countries to support informal carers, their attitude toward support services should be addressed. This research consisted of investigating how formal home care affected the utilisation of support services by informal carers. Data used stemmed from the 2015 Survey Capacité Aide et Ressources des Seniors (“CARE ménage”) collected in France ; and the National Health and Aging Trends Survey (NHATS) with the National Survey of Caregiving (NSOC) in the United States of America (U.S.). Andersen’s health behavioural model of support services utilisation provided a conceptual framework for investigating predisposing, enabling, and need variables associated with informal carers services use. We used a probit model for econometrics modelling. We also checked for the endogeneity of formal care. A sample of N = 4,866 in France and N = 1,060 in the U.S. informal carers and care recipients’ dyads were used in the study. In France, the care recipients’ formal care utilisation does not influence the carer support service use. Comparatively, in the United States, formal care significantly increases the respite services utilisation by informal carers. This study provides important implications for Long-Term Care (TLC) dedicated to health policy, for an optimal trade-off between informal and formal care use, bearing in mind health system specificities. First, countries may spend more funds in innovative support programs in access to care, because some carers may have difficulties in accessing and using support services. Secondly, to provide and foster information campaigns to raise awareness concerning the utilisation of various existing health services, to improve social welfare.