Corporate hospitality has developed into a significant financing tool for sports event organizers and a popular communication instrument for companies in recent years. Research on the specific interrelationships of this instrument in relationship marketing is still in its early stages. Therefore, Stefan Walzel initially develops a consistent evaluation model focusing on the relationship-theoretical concepts of affective and conative effects. In the second step, he proposes alternative research designs for the empirical measurement of the efficiency of corporate hospitality at sports events based on the model.