Here is he post that explains this slide in more detail : http://compensationinsider.com/reader-question-what-drives-employee-discretionary-effort/ CompensationInsider.com is a blog focused on Compensation & Benefits. I write 3 times per week, on various C&B, Performance Management, Global Mobility and Governance topics. You can subscribe to receive it by email or by RSS reader so you don't miss my articles. Feel free to explore it and send me some comments and feedback !