Managers who are perfectly comfortable using incentives to achieve other types of strategic objective-such as increasing ROI and improved customer satisfaction-often balk at this practice. For some critics, the practice seems misguided because it ties pay to something other than improved financial performance. Measuring the bottom-line consequences of diversity is difficult. companies that link bonuses to effective diversity management are saying they value this objective even if the financial benefits of diversity can't be directly measured. Hoechst Celanese used incentives to reward diversity planning. The result was an increased percent-age of women and minority professionals in the company during a time when the total number of its professional staff declined nearly 25 percent. In 1992, it began asking managers to set five- and ten-year diversity goals. since then, the company has seen modest but steady of their professional workforce