The structure of periodic review policies in the presence of random yield
Operations Research
Diversification under supply uncertainty
Management Science
Analysis of a production/inventory system subject to random disruptions
Management Science
On the Value of Mix Flexibility and Dual Sourcing in Unreliable Newsvendor Networks
Manufacturing & Service Operations Management
Association Between Supply Chain Glitches and Operating Performance
Management Science
A Newsvendor's Procurement Problem when Suppliers Are Unreliable
Manufacturing & Service Operations Management
Sourcing with random yields and stochastic demand: A newsvendor approach
Computers and Operations Research
Vendor selection in outsourcing
Computers and Operations Research
Supply disruptions with time-dependent parameters
Computers and Operations Research
Now or Later: A Simple Policy for Effective Dual Sourcing in Capacitated Systems
Operations Research
Optimal Supply Diversification Under General Supply Risks
Operations Research
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We propose generic single period (newsvendor-type) inventory models for capturing the trade-off between inventory policies and disruption risks in a dual-sourcing supply chain network both unconstrained and under service level constraints, where both supply channels are susceptible to disruption risks. The models are developed for both risk neutral and risk-averse decision-makers and can be applicable for different types of disruptions related among others to the supply of raw materials, the production process, and the distribution system, as well as security breaches and natural disasters. Analytical closed-form solutions are obtained and interesting managerial insights on the merit of contingency strategies in managing uncertainties and risks in dual-sourcing supply chains are discussed.