The COVID-19 pandemic has disrupted supply chains globally with a major shortfall being that of labor shortages from production through distribution activities. In this paper, we construct a new supply chain network optimization model that includes both domestic labor and international migrant...

In this paper, we develop a supply chain/logistics network model for critical needs in the case of disruptions. The objective is to minimize the total network costs, which are generalized costs that may include the monetary, risk, time, and social costs. The model assumes that disruptions may...

In this paper, we develop a model for supply chain network design in the case of multiple products, with particular relevance to humanitarian healthcare. The model allows for the determination of the optimal capacities of supply chain network activities in the form of manufacturing, storage, and...

In this paper, we develop a competitive freight service provision network model for disaster relief. A humanitarian relief organization is interested in determining its most cost-effective deliveries of needed supplies in a crisis setting. Multiple freight service providers are engaged in...

In this paper, we present a multi-tiered competitive supply chain network model for the blood banking industry, with a focus on the United States, that captures the economic interactions between three tiers of stakeholders; namely, the blood service organizations, the hospitals or medical...

In this paper, we develop a multiclass, multiproduct equilibrium model for convalescent plasma donations in the COVID-19 pandemic. The potential donors are situated at different locations and the donor population at each location can be separated into different classes based on their motivation...