This document discusses staffing, turnover, retention, and downsizing. It begins by defining types of turnover like voluntary, involuntary, discharge, and downsizing. Voluntary turnover can be avoidable or unavoidable. Causes of turnover include perceptions of desirability and ease of leaving a job as well as available alternatives. The document then discusses measuring turnover, analyzing reasons for leaving, and estimating costs and benefits. It provides guidelines for increasing retention through intrinsic and extrinsic rewards. Finally, it outlines retention initiatives for discharge situations and downsizing, including progressive discipline, alternatives to layoffs, and supporting employees who remain after downsizing.