Social Exchange Theory explores interactions between two parties by examining the costs and benefits to each. The theory proposed by Homans in 1958 is not exclusively applied to relationships as it also explores all social systems and considers the power balance within those systems. The key point of the theory is that it assumes the two parties are both giving and receiving items of value from each other. Under this theory, relationships are only likely to continue if both parties feel they are coming out of the exchange with more than they are giving up–that is, if there is a positive amount of benefit for both parties involved.
Homans’ work to define and understand society was based around the study of human behaviour in terms of cost and reward. This understanding of behaviour is recognised also in the work of Pavlow and Skinner. Homan later went on to apply his theory to relationships proposing in his Disruptive Justice hypothesis that as human beings we expect a relationship to be proportional and if the reward or reciprocity falls short of the cost we become dissatisfied and are more likely to end a relationship. However he also