In crafting GPRA, Congress also recognized that managerial accountability for results is linked to managers having sufficient flexibility, discretion, and authority to accomplish desired results.
The managerial accountability is linked to rigidness. 
mnli hypothesis: The managerial accountability is linked to rigidness.  premise: In crafting GPRA, Congress also recognized that managerial accountability for results is linked to managers having sufficient flexibility, discretion, and authority to accomplish desired results.