We study online demand fulfillment in sparse networks with arbitrary numbers of resources and request types, and positive Generalized Capacity Gaps (GCG) introduced by Shi et al.(2016). We show that such a sparse network with limited flexibility is both necessary and sufficient to achieve...

A blockchain system, such as Bitcoin or Ethereum, validates electronic transactions and stores them in a chain of blocks without a central authority. Miners with computing power compete for the right to create blocks according to a pre-set protocol and in return earn fees paid by users who...

Ride-hailing platforms such as Uber, Lyft, and DiDi coordinate supply and demand by matching passengers and drivers. The platform has to promptly dispatch drivers when receiving requests, since otherwise passengers may lose patience and abandon the service by switching to alternative...

Small- and medium-sized enterprises (SMEs) sometimes introduce different types of innovation simultaneously. However, the performance implications of simultaneous innovation practices remain under-researched in the literature. Therefore, this paper explores the combined use of six types of...

To meet the needs of a broad set of internal and external stakeholders now and into the future the Australian Treasury maintains a significant macroeconomic modelling capability. Treasury's current inhouse capability is similar to that of the US Congressional Budget Office (CBO) and the Joint...

In this paper, we study how the timing of payments affects joint replenishment and pricing decisions. Specifically, we consider a periodic review system in which consumers pay upon receiving their goods, referred to as the collect-on-delivery (COD) scheme, as opposed to paying when placing their...