Boray Huang

University of Dundee · School of Business

This paper considers a creditworthy buyer who has two supplies: a low-cost but capital-constrained unreliable SME (small and medium-sized enterprise), and a high-cost but reliable backup source. The buyer may consider a novel financing mechanism named BPOF (buyer-backed purchase order financing) for supporting the SME indirectly. Under the BPOF sch...

This study considers a single item make-to-stock system with continuous-time production and inventory controls to meet bulk demand with an exponential inter-arrival time. A key issue in this system is the non-convex shortage cost consisting of fixed and variable expenditures when the demand is not fully satisfied. We propose a self-reservation poli...

The existing literature about the backorder EOQ problem usually focuses on B2C (Business-to-Customer) and neglects the impact of batch demands to the backlogging behavior in B2B (Business-to-Business) environment. This paper contributes by formulating the inventory problem for a wholesaler facing batch demands and using backorder to control her inv...

In emergency health care, there are situations where the less wounded are treated in preference to the more severely wounded, so called reverse triage. This may arise in situations such as war where soldiers are required to return to the battlefield as quickly as possible, or disaster situations where medical resources are limited in order to conse...

A special feature of remanufacturing business is the existence of large proportion of replacement customers. This is due to the fact that many durable product markets are highly saturated and customers who return their end-of-life products need to do replacement purchase. At the same time, pricing strategies have been widely adopted by remanufactur...

With the growing awareness of global warming, many companies worldwide are improving their supply chain sustainability, under pressure from the government or their own shareholders. However, not all countries around the world equally emphasize the threat. For example, some countries still have not implemented any carbon dioxide emission regulations...

In this paper, we study a multiperiod mean-variance portfolio optimization problem in the presence of proportional transaction costs. Many existing studies have shown that transaction costs can significantly affect investors’ behavior. However, even under simple assumptions, closed-form solutions are not easy to obtain when transaction costs are co...

An Economic Lot Scheduling Problem is considered under the condition that the production process may shift from an in-control state to an out-of-control state due to the deterioration of the facility’s key module. We adopt the Common Cycle policy in two mathematical models depending on whether the key module is repairable or not. Several standby mo...

This paper studies a stochastic system where the performance of the server changes stochastically and cyclically. We first investigate the performance measures of the system, including the queue length and the overall cost. In particular, we derive an exact expression for the expected length of the renewal cycle, and present closed matrix forms for...

Supporting small and medium enterprises (SMEs) to access finance has received rapidly-rising attention in recent years. In some countries, large buyers in supply chains are considering credit guarantee schemes (CGS) through which the credit coverage can be extended to assist their SME suppliers. While such support is beneficial to the suppliers, an...

This work explores the use of simulation games as a research platform to study design and management decision-making of complex engineering systems under uncertainty. Simulation games are widely used by the military to train soldiers and officers facing changing and highly uncertain situations. Similarly, this work is motivated by the need to under...

This paper reports on the development of a simulation gaming platform to study the dynamics of decision making when multiple stakeholders are tasked to design and manage a flexible engineering system. Flexibility in design and management provides the "right, but not the obligation, to change a system in the face of uncertainty." This approach shows...

In remanufacturing business of durable products, a special feature is the correlation between supply and demand. This is because customers who return their end-of-life products usually need to do replacement purchase. At the same time, pricing strategies have been widely adopted by remanufacturing companies to balance the supply and demand. In this...

This paper responds to a comment by Wang et al. [3] regarding the disagreement between Yao et al. [4] and van der Vlist et al. [2] on the impact of vender-managed-inventory (VMI). We explore the factors which affect the shipment size from the vendor to the buyer and identify the conditions where the shipment size will increase/decrease under VMI. A...

This paper examines the impact of customer order sizes on a make-to-stock system with multiple demand classes. We first characterize the manufacturer's optimal production and rationing policies when the demand is nonunitary and lost if unsatisfied. We also investigate the optimal policies of a backorder system with two demand classes and fixed orde...

This paper considers a two-echelon capacitated supply chain with two non-identical retailers and information sharing. We characterize the optimal inventory policies. We also study the benefits of the optimal stock rationing policy over the first come first served (FCFS) and the modified echelon-stock rationing (MESR) policies.

We consider a supply chain consisting of one manufacturer (capacitated supplier) and two retailers. We characterize the manufacturer's optimal production policy under selective-information sharing, in which the manufacturer receives demand and inventory information from only one of the two retailers. We show that the manufacturer's optimal producti...

We study the optimal integrated production/inventory policy in a two-echelon supply chain with one manufacturer and one retailer. The manufacturer produces items in her production facility and keeps the Þnished goods in inventory. The manufacturer's production facility de- teriorates with usage and is subject to failure. Under the assumption that t...

In recent years information sharing has received broad attention in supply chain management because it can reduce the effects of demand variability and can help participants in supply chains lower their operational costs. By utilizing shared information, businesses can develop more effective production and inventory management policies, resulting i...