In revenue management, methods of quantitatively oriented information systems are used for achieving maximum revenue. For this purpose, those customers with the highest expected willingness to pay receive preferential treatment. This concept is used successfully, especially in airline and hospitality industry and car rental. Examples of new concepts in revenue management whose development is a focus of the Department of Information Systems, are integrating the concepts of customer relationship management in the long-term revenue management and the use of market information. Equally important is the joint alliance control and considering competitors. Dealing with uncertainties and with complex models, as well as the problem of small numbers in practice of revenue management is likewise in the department’s research focus.