What are the advantages and disadvantages of the bill curve technique when employees are appraised?

Organizations believing in pay for performance exhilarate the concept ofperformance appraisal on the basis of outcomes observed over a specific time period. It helps to:

1. reward top performing employees to boost their confidence and motivate them to achieve business goals
2. encourage mediocre performers to work harder and get into the square of highest performance
3. identify low performers to guide them right and get them back on the track of better performance

If this is all that you wish to do, Bell Curve is the right thing on your mind