This paper proposes a novel approach for the provision of non-frequency ancillary service (AS) by consumers connected to low-voltage distribution networks. The proposed considers an asymmetric pool-based local market AS negotiation, allowing set flexibility quantity and desired price trade. A case study with 98 illustrates market-based approach. Also, three different strategies consumers' parti...

Public procurement of information systems (IS) and IS services provides several challenges to the stakeholders involved in the procurement processes. This paper reports initial results from a Delphi study, which involved 46 experienced procurement managers, chief information officers, and vendor representatives in the Norwegian public sector. The participants identified altogether 98 challenges...

This article investigates the critical success factors of e-procurement---the purchase of goods and services for organizations, which usually represents one of the largest expense items in a firm’s cost structure. Data was gathered using the survey method and a random sample drawn from the membership of the Institute for Supply Management and the Council of Logistics Management. Data was analyz...

Often e-Procurement systems are implemented because authorities’ guidelines, tools or legal setting mandates them. The growing relevance of e-Procurement systems and tools in public health care organisations (HCOs) has raised much attention in business practice and the academic literature, also related to the improvement of public health care services and community welfare (e.g. Henriksen et al...