A new family of cost sharing rules for cost sharing problems is proposed. This family generalizes the family of α-serial cost sharing rules (Albizuri, 2010) which contains the serial cost sharing rule (Moulin and Shenker, 1992) among others. Every rule of the family is characterized by means of two properties.

F iscal regime is one of the main differences between petroleum contracts. Fiscal regimes in oil contracts are divided to two main categories namely Concessionary and Contractual Systems. In contractual systems, the main difference between service and production sharing contracts is the way of compensation of contractor services which could be in cash or in kind. In production sharin...

with the implementation of the affordable care act (aca), access to insurance and coverage of preventive care services has been expanded. by removing the barrier of shared costs for preventive care, it is expected that an increase in utilization of preventive care services will reduce the cost of chronic diseases. early detection and treatment is anticipated to be less costly than treatment at ...