This paper reviews the literature on inventory models with multiple sourcing options and
presents a typology for classification. By means of the classification, the progression of the …

This paper analyzes coordination of a manufacturer–distributer–retailer supply chain, where
the manufacturer exhibits corporate social responsibility (CSR). In manufacturer-Stackelberg …

This contribution focuses on the cost-effective management of the combined use of two
procurement options: the short-term option is given by a spot market with random price …

This article considers a periodic-review inventory problem with two suppliers. The regular
supplier has a longer lead time than the expedited supplier but has a lower unit cost. The …

We evaluate the implications of concurrent utilization of “contracts” and “open market”
arrangements by a risk averse buyer in continuous procuring of a standardized product of …

In this paper, we will investigate a buyer's decision making problem in procuring multiple
products, each treated as a newsvendor, from two markets. The contract market has a long …

Purpose–The purpose of this paper is to formulate procurement strategies and determine
the optimal procurement quantity in order to maximize profit through forward contracting and …

In this paper we study the competitive order timing decisions of two manufacturers with
demand forecasting updating and uncertain raw material price. Manufacturers can order the …

This study focuses on the presort loading of commercial bulk mail. Here, presort is the
process by which a mailer prepares mail such that it is sorted to at least the finest extent …

This paper optimizes the electricity and renewable energy credit (REC) purchasing process
for energy distribution. Electricity is traded in deregulated time-sequential markets at …