Relationship between pay and performance.

Survey and review the relevant literature on the relationship between pay and performance.
Divide essay in to two major parts
Part 01
The theory section for instance, the analysis found in Backward Bending Labour Supply Curve and the analysis found in the efficiency wages theory.
Part 02
Research the literature for empirical evidences that either support or challenges the theories found in part 01. For instance does the nothing of paying efficiency wage supports what is happening in the real world