https://en.m.wikipedia.org/wiki/Vitality_curve
1. Rank everyone
2. Layoff bottom 10% or so
3. Reward the top
4. Keep it secret or the workforce will adapt by hiring bad people and sabotaging good people
Used at most companies with performance evaluations. Taught at MBA schools.
Trivia: MBAs have accomplished nothing throughout human history. Only creating overpaid executives that avoid taxes, corrupt the government, ruin the environment, make people poor, sick and make other countries richer. If all MBAs retired tomorrow 90% of obesity, pollution and corruption would stop.