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作者:Sapra, Amar
作者单位:Indian Institute of Management (IIM System); Indian Institute of Management Bangalore
摘要:We consider a finite-horizon, periodic-review model for a serial system with two uncapacitated external suppliers. While one external supplier (regular supplier) ships to the most upstream stage, the other one (emergency supplier) ships directly to a downstream stage. For this system, with general lead-times we show that the optimal cost function is multimodular with respect to inventories in transit and inventories at different stages and obtain results that show how the optimal order quantit...
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作者:Xue, Weili; Demirag, Ozgun Caliskan; Chen, Frank Y.; Yang, Yi
作者单位:Southeast University - China; Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; City University of Hong Kong; Zhejiang University
摘要:Inventory displayed on the retail sales floor not only performs the classical supply function but also plays a role in affecting consumers' buying behavior and hence the total demand. Empirical evidence from the retail industry shows that for some types of products, higher levels of on-shelf inventory have a demand-increasing effect (billboard effect) while for some other types of products, higher levels of on-shelf inventory have a demand-decreasing effect (scarcity effect). This suggests tha...
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作者:Gaimon, Cheryl; Hora, Manpreet; Ramachandran, Karthik
作者单位:University System of Georgia; Georgia Institute of Technology
摘要:Management of technology (MOT) concerns the processes by which innovations in technology are transformed to ultimately diffuse into the marketplace. As such, operations management contributes to the multidisciplinary realm of MOT through its study of a firm's resource capabilities. This special issue offers a broad and deep discussion on the interface between MOT and POM. The contributions of the MOT special issue are fourfold. First, we invited scholars from a variety of disciplines to write ...
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作者:Ha, Albert Y.; Shang, Weixin; Wang, Yunjie
作者单位:Hong Kong University of Science & Technology; Lingnan University; Renmin University of China
摘要:We consider manufacturer rebate competition in a supply chain with two competing manufacturers selling to a common retailer. We fully characterize the manufacturers' equilibrium rebate decisions and show how they depend on parameters such as the fixed cost of a rebate program, market size, the redemption rate of rebate, the proportion of rebate-sensitive consumers in the market and competition intensity. Interestingly, more intense competition induces a manufacturer to lower rebate value or st...
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作者:Peng, David Xiaosong; Lu, Guanyi
作者单位:University of Houston System; University of Houston; Oregon State University
摘要:This study examines the effect of delivery performance on customer transactions. We propose that different delivery performance dimensions (on-time delivery rate, early delivery inaccuracy, late delivery inaccuracy, and delivery speed) have varying impacts on future customer transaction quantities and unit prices. We further explore the effect of customer types on the proposed relationships. Trade customers (resellers) and Original Equipment Manufacturer (OEM) customers generally have differen...
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作者:Golari, Mehdi; Fan, Neng; Jin, Tongdan
作者单位:University of Arizona; Texas State University System; Texas State University San Marcos
摘要:A growing number of companies install wind and solar generators in their energy-intensive facilities to attain low-carbonmanufacturing operations. However, there is a lack of methodological studies on operating large manufacturing facilities with intermittent power. This study presents a multi-period, production-inventory planning model in a multi-plant manufacturing system powered with onsite and grid renewable energy. Our goal is to determine the production quantity, the stock level, and the...
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作者:Qian, Qu; Guo, Pengfei; Lindsey, Robin
作者单位:Chinese Academy of Sciences; University of Science & Technology of China, CAS; Singapore University of Social Sciences (SUSS); Hong Kong Polytechnic University; University of British Columbia
摘要:This study analyzes subsidy schemes that are widely used in reducing waiting times for public healthcare service. We assume that public healthcare service has no user fee but an observable delay, while private healthcare service has a fee but no delay. Patients in the public system are given a subsidy s to use private service if their waiting times exceed a pre-determined threshold t. We call these subsidy schemes (s, t) policies. As two extreme cases, the (s, t) policy is called an unconditio...
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作者:Whybark, D. Clay
作者单位:University of North Carolina; University of North Carolina Chapel Hill; University of North Carolina School of Medicine
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作者:Lim, Yun Fong
作者单位:Singapore Management University
摘要:A cellular bucket brigade is a way to coordinate workers along an aisle with work content on both sides. Each worker in a cellular bucket brigade works on one side of the aisle when he proceeds in one direction, and he works on the other side when he proceeds in the reverse direction. Although the cellular bucket brigade eliminates the unproductive walk-back, it requires more hand-offs to assemble a product than a traditional (serial) bucket brigade. These hand-offs may waste significant produ...
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作者:Ullrich, Kristoph K. R.; Transchel, Sandra
作者单位:Kuhne Logistics University; Frankfurt School Finance & Management
摘要:We provide empirical evidence that the volatility of inventory productivity relative to the volatility of demand is a predictor of future stock returns in a sample of publicly listed U.S. retailers over the period 1985-2013. This key performance indicator, entitled demand-supply mismatch (DSM), captures the fact that low variation in inventory productivity relative to variation in demand is indicative of the superior synchronization of demand- and supply-side operations. Applying the Fama and ...