Inequity occurs when a person perceives that the ratio of his/her outcomes to inputs are unequal. Inputs and outcomes are based on perception. Motivation under this perspective can be defined by the drive to restore equity. This may be done in several ways:
Alter the inputs or outcomes
Cognitively distorts the inputs or outcomes.
Leave the field
Act on the other
Change the other
Feelings of inequity can occur not only when a person feels cheated, but also in the case of overreward. There has been research support for the theory