Motivation research is a field which has brought into the world of economic hypotheses much that is unusual and unpolished. It is a field that has many opponents and numerous admirers. The debate on the significance of motivation research and on the possibilities of its application will continue. Nothing great was ever born without conflict and so the strength of the conflict indicates the importance of the thing we are dealing with. Further development will show us all the advantages and deficiencies of motivation research as well as the possibilities for its purposeful application.