The optimal level of formalisation of contracts and their dynamic is at stake in the economic literature on the optimum design of ex post renegotiation with third party enforcement. Another theoretical interpretation is that contract adaptations may also reflect mutual learning process between...

Two defence contracts for availability are studied in the attempt to better understanding the provision ofservice in a maintenance, repair and overhaul environment that is contracted on the performance of theequipment, rather than merely providing equipment. The nature of the contract changes...