According to the theory of ‘promiscuous teleology’, we are naturally biased to (mistakenly) construe natural kinds as if they (like artifacts) were intentionally designed ‘for a purpose’. However, this theory introduces two paradoxes. First, if infants readily distinguish natural kinds from artifacts, as evidence suggests, why do school-aged children erroneously conflate this distinction? Secon...

In his recent article, “Liability Rules When Injurers as Well as Victims Suffer Losses,“’ Avon Leong examines the question whether the standard liability rules-pure negligence, negligence with contributory negligence, pure strict liability and strict liability with contributory negligence-can be used to induce efficient care-taking by individuals in those circumstances where both injurers’ and ...

Despite many attempts to fix it, the Internet’s interdomain routing system remains vulnerable to configuration errors, buggy software, flaky equipment, protocol oscillation, and intentional attacks. Unlike most existing solutions that prevent specific routing problems, our approach is to detect problems automatically and to identify the offending party. Fault detection is effective for a larger...