Studies by Challenger, Gray &Christmas Inc., an outplacement firm based in Chicago, have found there are more layoffs in the September-December period than any other time of the year.

• 根据Gray&Christmas公司，一家位于芝加哥的劳务中介公司，Challanger的研究，每年的9-12月期间公司裁员数量要高于其它时段。