This paper presents a stochastic simulation model to study implications of the mechanisms by which individual software developers’ efforts are allocated within large and complex open source software projects. It illuminates the role of different forms of “motivations-at-the-margin” in the...

Cover -- Contents -- Preface -- Acknowledgements -- Part One Understanding Reliability Parameters and Costs -- The history of reliability and safety technology -- Failure data -- Hazardous failures -- Reliability and risk prediction -- Achieving reliability and safety-integrity -- The RAMS-cycle...

An availability-oriented approach has been developed to decide when to replace an aging system. For an existing system, it is optimal to operate another year if and only if the incremental cost per available year is less than the lifetime average cost per available year of a new aircraft. We...