What is the fine-grained topic of the following text: Striking a similar theme to a Christian Science Monitor article, Jenn Abelson reports in the Boston Globe about employers, such as CVS, Borders, and Home Depot, that fear labor shortages as baby boomers age and allow workers to transfer to stores in warmer regions during winter. Only return the topic.
Employers allowing worker transfers to warmer regions during winter due to feared labor shortages as baby boomers age.