Supplier competition and investment of effort are important concerns in supply base design. They are affected not only by the number of suppliers, but also by their capacity profile. This paper studies supply base design in terms of the number and capacities of suppliers, considering both supplier competition and investment of cost-reduction effort. We analyze a buyer who invests in capacities ...

Existing Sustainable Supply Chain Management frameworks attempt to incorporate each tier of the end-to-end supply chain. However, the firm or buyer-supplier dyad is predominately used as a unit of analysis, leaving a gap regarding how indirect suppliers affect firm sustainability. To fill this gap we pose two research questions: What role do indirect suppliers play in firm sustainability? And; ...

Supplier selection is a multi-Criteria problem. This study proposes a hybrid model for supporting the suppliers’ selection and ranking. This research is a two-stage model designed to fully rank the suppliers where each supplier has multiple Inputs and Outputs. First, the supplier evaluation problem is formulated by Data Envelopment Analysis (DEA), since the regarded decision deals with uncertai...

In this paper, we study an outsourced supply chain consisting of one buyer and two suppliers in which the buyer outsources manufacturing of a physical product to two competing suppliers. The suppliers compete for the buyers' demands share, and the buyer allocates the demands to the competing suppliers based on three-dimensional allocation functions. We consider two certain types of allocation f...

Nowadays companies measure suppliers on the basis of a variety of factors and criteria that affect the supplier's selection issue. This paper intended to identify the key effective criteria for selection of green suppliers through an efficient algorithm callediterative process mining or i-PM. Green data were collected first by reviewing the previous studies to identify various environmental cri...

In this paper, the authors analyze 91 key account relationships and 206 ordinary supplier–buyer dyads regarding differences in suppliers' relational behaviors and customers' perceptions of relationship quality (satisfaction, trust, and commitment). The results suggest that while – as compared to ordinary relationships – suppliers put significantly more effort in “value-creating behaviors” in ke...