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...

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...

Purpose – The purpose of this paper is to provide and develop a comprehensive and holistic understanding of the working relationship between the in-house IT department and other parts of the business. Design/methodology/approach – In this paper, IT professionals and internal customers at...

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...

Electronic marketplaces (e-marketplaces) have a profound influence on the way in which organizations manage their supply chains. Proponents of the e-marketplace concept suggest that web-based trading systems, such as World Wide Retail Exchange (WWRE) and GlobalNetXchange (GNX), would enable...

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...

Drawing on recently published data, this report examines some of the trends in travel e-commerce. Using a case study 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)...

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...