Peter Singer argues that when some fail to do their part in alleviating suffering, the rest of us must take up slack. In response, L. J. Cohen, Liam Murphy, and David Miller argue such a requirement would be unfair. No one, they contend, should required contribute more than she under full compliance. I against we are obligated slack left by noncontributors, but agree thereby treated unfairly. D...

The Dynamic Energy Budget (DEB) theory has become a fundamental tool in modeling the metabolic behaviour of organisms. Its capacity to describe the biological aspect of life alone justifies its applicability in Artificial Life. Aware of this potential, the DEB research group in Instituto Superior Técnico (IST) in Lisbon has joined the videogame company Biodroid Entertainment in the Life Engine ...

monthly and annual water and phosphorus mass budgets were set up over the year 2010 for thelake rio verde, brazil. limited data for the water budget was compensated using an interpolation methodwith data water budget data of a nearby reservoir. thus, errors of ca. 1.5% were estimated for the waterbudgets. dominant p mass input terms were inflows from the rivers and direct run off into the reser...

Risky organizational decisions are frequently made within the confines of performance periods with predefined durations and deadlines for achieving desired levels of performance. The relationship between performance and risk taking has been studied mostly across such periods but rarely within them. Building on the shifting-focus-of-attention model of organizational risk taking, we argue that th...