This paper analyses the conditions under which a group of firms has the incentive to sign a Voluntary Agreement (VA) in order to control its emission flows even in the presence of free-riding by other firms in the industry. For the purpose of this paper it is assumed that free-riders cannot be...

Pay-for-performance programs offering additional payments to GPs can be used not only to improve the quality of care but also for cost containment purposes. In this paper, we analyse the impact of removing financial incentives in primary care that were aimed at containing hospital expenditure in...