887 research outputs found

    Customer attractiveness, supplier satisfaction and preferred customer status: a review and a cycle model

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    In this paper, we introduce the concept of preferred customer status, i.e. a buyer is awarded preferential treatment of its important suppliers compared to their other customers. As there is a lack of knowledge of what motivates suppliers to serve selected buyers better than others, our research focuses on the suppliers’ evaluation of customers and how it can be influenced by buyers. Based on social exchange theory, we provide a conceptual model which proposes customer attractiveness, supplier satisfaction and knowledge of alternative customers as factors influencing suppliers to award preferred customer status. Subsequently, a literature review is provided to give an overview of the drivers of customer attractiveness, supplier satisfaction and preferred customer status already analysed in current literature. We conclude by providing a preliminary conceptual framework and suggesting future research directions in this field. This article proposes new insights into supplier relationship management and offers a state-of-the-art analysis as well as a theoretical base to this new research field

    Forbidden subgraphs that imply hamiltonian-connectedness

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    It is proven that if G is a 3‐connected claw‐free graph which is also H1‐free (where H1 consists of two disjoint triangles connected by an edge), then G is hamiltonian‐connected. Also, examples will be described that determine a finite family of graphs L{\cal L}equation image such that if a 3‐connected graph being claw‐free and L‐free implies G is hamiltonian‐connected, then L ∈L\in \cal Lequation imag

    Branching of the Falkner-Skan solutions for λ < 0

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    The Falkner-Skan equation f'" + ff" + λ(1 - f'^2) = 0, f(0) = f'(0) = 0, is discussed for λ < 0. Two types of problems, one with f'(∞) = 1 and another with f'(∞) = -1, are considered. For λ = 0- a close relation between these two types is found. For λ < -1 both types of problem allow multiple solutions which may be distinguished by an integer N denoting the number of zeros of f' - 1. The numerical results indicate that the solution branches with f'(∞) = 1 and those with f'(∞) = -1 tend towards a common limit curve as N increases indefinitely. Finally a periodic solution, existing for λ < -1, is presented.
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