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Full-Text Articles in Operations and Supply Chain Management

Outsourcing Through Competition: What Is The Best Competition Parameter?, Ehsan Elahi Jul 2013

Outsourcing Through Competition: What Is The Best Competition Parameter?, Ehsan Elahi

Ehsan Elahi

In this paper we consider a single buyer who wants to outsource the manufacturing of a product to N potential suppliers. The buyer’s objective is to maximize the service level she receives from the suppliers. The suppliers compete for the buyer’s demand based on a competition parameter which the buyer announces along with an allocation rule. We model each supplier as a make-to-stock queueing system. Using a simple proportional allocation function, we compare two competition parameters: service level and inventory level. We show that inventory competition creates a higher overall service level for the buyer. We also show an optimal …


How Risk Management Can Turn Into Competitive Advantage: Examples And Rationale, Ehsan Elahi Jun 2013

How Risk Management Can Turn Into Competitive Advantage: Examples And Rationale, Ehsan Elahi

Ehsan Elahi

In light of the occurrence of many disruptive events since the beginning of this millennium, we can observe a change in the way risks and uncertainties are being viewed in the business world. To put this change into perspective we compare the evolution in the companies’ perception of risk management with the evolution in how companies look at their supply chain management. The main driver behind the change in the way companies view risk management is the increased level of uncertainties. There are many evidences that suggest the current very high level of volatilities in the business world is going …