S upply disruptions are all too common in supply chains. To mitigate delivery risk, buyers may either source from multiple suppliers or offer incentives to their preferred supplier to improve its process reliability. These incentives can be either direct (investment subsidy) or indirect (inflated order quantity). In this study, we present a series of models to highlight buyers’ and suppliers’ o...

There are many benefits for coordination of multiple suppliers when single supplier cannot satisfy buyer demands. In addition, buyer needs to purchase multiple items in a real supply chain. So, a model that satisfies these requests has many advantages. We extend the existing approaches in the literature that assume all suppliers need to be put on a common replenishment cycle and each supplier d...

We introduce and study the range contract, which allows a buyer to procure from a supplier at a prescribed price any amountwithin a specified range. In return, the supplier is compensated up front for thewidth of the rangewith a range fee. This fee canbe viewed as the buyer tradingmonetary value for reduceduncertainty. The range contract generalizes and unifiesmany common contracts, such as fix...

The study was undertaken to determine the effects of buyer-supplier relationship management and outsourcing efficiency amongst construction firms in Nigeria. Trust building, strategic collaboration supplier development constituted dimension for relationship, while cost effectiveness, quality delivery risk mitigation were used as indicators efficiency. adopted cross-sectional survey design, 135 ...

The importance of buyer-supplier relations has been recognized by research as well as practice. Information sharing and knowledge exchange have been found to positively impact closer collaboration, increase transparency, and improve perceptions of trust between buyers and sellers. There is however, lesser research about IT as an enabler in the dynamics of buyer-seller relationship management. A...

I this paper, we study the performance of a sourcing mechanism gaining popularity in industrial procurement environments; a tournament. Under a tournament, a buyer initially procures her parts from two suppliers with possibly different quality levels, for T time periods, i.e., she parallel sources. During this time, the buyer is able to observe noisy signals about the suppliers’ quality. At tim...