A geometrical interpretation of multiple regression is proposed. The method is explained within the context of the tourism industry by developing a model for the management of hotels. The paper first explains the technique in non-mathematical terms and is completed with the mathematical proof of...

This paper reviews the application of OR to financial markets. After considering reasons for the attractiveness of general finance problems to Or researchers, the main types of financial market problem amenable to OR are identified, and some of the many problems solved using OR are documented.