We provide evidence that the COVID-19 pandemic has incentivized U.S. firms to rebalance the tradeoff between manufacturing cost efficiency and supply chain resilience in their sourcing decisions. Over the past few decades, companies have been outsourcing production to low-cost countries such as...

We consider a learning variant of a canonical scheduling problem in a multiclass many server queue with abandonment (specifically, the M_t/M/N+M and the GI/GI/N+GI queues). The objective is to minimize the long-run average class-dependent expected linear holding and abandonment costs when the...

Problem definition: Today’s supply chains use multiple tiers, locations, and shipping speeds to better serve customers. In practice, these supply chains also face a key challenge of the possibility of a disruption (from a variety of sources), which typically limits inventory availability. We,...