Recently there was a lot of media on Microsoft’s decision to end it’s performance ranking methodology, and Yahoo’s plans to rev it up. An approach well-known to most in our profession, it goes by affectionate nicknames like “rank and yank,” “up or out,” “forced ranking,” and my personal favorite,”vitality curve,” which seems to have something to do with your ability to a. not act your age, b. stay alert at meetings after four hours of sleep and c. deliver the punchline of a joke well.
via Compensation Cafe: Why Are We Still Talking About Stack Ranking?.