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Pooling for Combination of Multi Level Forecasts
Riedel, Silvia; Gabrys, Bogdan - 2009
In this paper we provide a theoretical analysis of effects of applying different forecast diversification methods on the structure of the forecast error covariance matrices and decomposed forecast error components based on the bias- variance- Bayes error decomposition of James and Hastie. We...
Persistent link: https://www.econbiz.de/10009429663
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Dynamic Pooling for the Combination of Forecasts Generated Using Multi Level Learning
Riedel, Silvia; Gabrys, Bogdan - 2007
In this paper we provide experimental results and extensions to our previous theoretical findings concerning the combination of forecasts that have been diversified by three different methods: with parameters learned at different data aggregation levels, by thick modeling and by the use of...
Persistent link: https://www.econbiz.de/10009429665
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Strangers on the train: the relationship of the IT department with the rest of the business
Day, Jacqui - 2006
relationship between the in-house IT department and other parts of the business. Design/methodology/approach – In this paper, IT …
Persistent link: https://www.econbiz.de/10009429683
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Dynamic Combination of Forecasts Generated by Diversification Procedures Applied to Forecasting of Airline Cancellations
Lemke, Christiane; Riedel, Silvia; Gabrys, Bogdan - 2009
The combination of forecasts is a well established procedure for improving forecast performance and decreasing the risk of selecting an inferior model out of an existing pool of models. Work in this area mainly focuses on combining several functionally different models, but some publications...
Persistent link: https://www.econbiz.de/10009429719
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An Investigation of Internet Coordination Mechanisms in Network Organizations
Eng, Teck-Yong - 2007
Globalization and the Internet are creating a new form of network organization characterized by networks of cooperating and competing firms. The concept of network organization advocates flexible and open organizational structures that would improve coordination among organizational units and...
Persistent link: https://www.econbiz.de/10009429828
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E-Business Models In The Travel Industry
Alford, Philip - 2000
approach, the author examines in detail some of the e-business models impacting on the travel industry both in the Business-to-Business … (B2B) and Business-to-Consumer (B2C) markets. Although B2C leisure transactions currently account for just 1% of the … players will need to ensure their e-business model adds value for the customer, otherwise their position in the value chain …
Persistent link: https://www.econbiz.de/10009429831
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The Effects of the Internet on Network Structures and Business Performance
Eng, Teck-Yong - 2008
In electronic markets, the Internet creates new network structures that enable firms to integrate cross-functional activities at relatively low cost and eliminate non-value-adding activities. However, there is little empirical evidence on how structural characteristics of network organization...
Persistent link: https://www.econbiz.de/10009429847
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International trade in financial services
Webster, Allan; Hardwick, Philip - 2005
International trade in financial services is a topic of some importance both to the financial services sector itself and in international trade negotiations. Unfortunately, intrinsic problems in defining and measuring trade in services, combined with a lack of data in many countries, have made...
Persistent link: https://www.econbiz.de/10009477574
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The development of new products in the personal financial services sector
Davison, Heather - 1990
The development of new products in the personal finacial services (PFS) sector is an area that is being increasingly relied upon by organisations to provide competitive differentiation in the highly competitive environment that they now operate within. Despite this reliance, relatively little is...
Persistent link: https://www.econbiz.de/10009429673
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Exploring rationales for branding a university: Should we be seeking to measure branding in UK universities?
Chapleo, Chris - 2011
Although branding is now widespread among UK universities, the application of branding principles in the higher education sector is comparatively recent and may be controversial for internal audiences who question its suitability and efficiency. This paper seeks to investigate how and whether...
Persistent link: https://www.econbiz.de/10009429674