Promotions and demotions were zealously monitored .
一次清洗接着另一次清洗。
Promotions , demotions , halo effects , and the earnings dynamics of american executives .
晕轮效应：晋升、降职以及美国行政人员收入的变动。
Unions in wisconsin are justified in worrying that limiting collective bargaining would lead to capricious firing or demotions , whether for age , personality , salary or any other criterion you can think of .
