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作者：Pioro, Michal; Fouquet, Yoann; Nace, Dritan; Poss, Michael
作者单位：Warsaw University of Technology; Lund University; Sorbonne Universite; Universite de Technologie de Compiegne; Universite de Montpellier
摘要：Flow thinning (FT) is a concept of a traffic routing and protection strategy applicable to communication networks with variable capacity of links. In such networks, the links do not attain their nominal (maximum) capacity simultaneously, so in a typical network state only some links are fully available whereas on each of the remaining links only a fraction of its maximum capacity is usable. Every end-to-end traffic demand is assigned a set of logical tunnels whose total capacity is dedicated t...
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作者：Wang, Zizhuo
作者单位：University of Minnesota System; University of Minnesota Twin Cities
摘要：We consider the dynamic pricing problem a monopolistic seller faces when customers arrive in heterogeneous time periods and their purchase decisions are affected by reference prices formed from their past observations of prices. We illustrate that a new form of price discrimination opportunity exists in such situations, where the seller's optimal pricing strategy is a cyclic one, even when the customers are loss-neutral and their demand functions are identical. This result differs from those o...
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作者：Wang, Xiaoqun
作者单位：Tsinghua University
摘要：Discontinuities are common in the pricing and hedging of complex financial derivatives. Quasi-Monte Carlo (QMC) methods for high-dimensional finance problems with discontinuities can be inefficient because of the lack of good smoothness and high dimensionality. Interestingly, path simulation method (PSM) may affect both factors, implying its significance in QMC methods. What defines a good PSM for problems with discontinuities? The ability to align the discontinuities with the coordinate axes ...
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作者：Atkinson, Michael; Kress, Moshe; Lange, Rutger-Jan
作者单位：United States Department of Defense; United States Navy; Naval Postgraduate School; Vrije Universiteit Amsterdam; Erasmus University Rotterdam; Erasmus University Rotterdam - Excl Erasmus MC
摘要：We analyze a variant of the whereabouts search problem, in which a searcher looks for a target hiding in one of n possible locations. Unlike in the classic version, our searcher does not pursue the target by actively moving from one location to the next. Instead, the searcher receives a stream of intelligence about the location of the target. At any time, the searcher can engage the location he thinks contains the target or wait for more intelligence. The searcher incurs costs when he engages ...
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作者：Nazerzadeh, Hamid; Perakis, Georgia
作者单位：University of Southern California; Massachusetts Institute of Technology (MIT)
摘要：We analyze the equilibrium of an incomplete information game consisting of two capacity-constrained suppliers and a single retailer. The capacity of each supplier is her private information. Conditioned on their capacities, the suppliers simultaneously and noncooperatively offer quantity-price schedules to the retailer. Then, the retailer decides on the quantities to purchase from each supplier to maximize his own utility. We prove the existence of a (pure strategy) Nash equilibrium for this g...
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作者：Shi, Cong; Chen, Weidong; Duenyas, Izak
作者单位：University of Michigan System; University of Michigan; University of Michigan System; University of Michigan
摘要：We propose a nonparametric data-driven algorithm called DDM for the management of stochastic periodic-review multiproduct inventory systems with a warehouse-capacity constraint. The demand distribution is not known a priori and the firm only has access to past sales data (often referred to as censored demand data). We measure performance of DDM through regret, the difference between the total expected cost of DDM and that of an oracle with access to the true demand distribution acting optimall...
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作者：Saghafian, Soroush; Van Oyen, Mark P.
作者单位：Harvard University; University of Michigan System; University of Michigan
摘要：To increase resilience in supply chains, we investigate the optimal design of flexibility in a backup system. We model the dynamics of disruptions as Markov chains, and consider a multiproduct, multisupplier supply chain under dynamic disruption risks. Using our model, we first show that a little flexibility in the backup system can go a long way in mitigating dynamic disruption risks. This raises an important and fundamental question in designing flexibility in the backup system: to achieve t...
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作者：Hafizoglu, A. Baykal; Gel, Esma S.; Keskinocak, Pinar
作者单位：Arizona State University; Arizona State University-Tempe; University System of Georgia; Georgia Institute of Technology
摘要：We study price and lead time quotation decisions in a make-to-order system with two customer classes: (1) contract customers whose orders are practically always accepted and fulfilled based on a contract price and lead time agreed on at the beginning of the time horizon, and (2) spot purchasers who arrive over time and are quoted a price and lead time pair dynamically. The objective is to maximize the long-run expected average profit per unit time, where profit from a customer is defined as re...
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作者：Zhang, Huanan; Shi, Cong; Chao, Xiuli
作者单位：University of Michigan System; University of Michigan
摘要：We develop the first approximation algorithm for periodic-review perishable inventory systems with setup costs. The ordering lead time is zero. The model allows for correlated demand processes that generalize the well-known approaches to model dynamic demand forecast updates. The structure of optimal policies for this fundamental class of problems is not known in the literature. Thus, finding provably near-optimal control policies has been an open challenge. We develop a randomized proportiona...
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作者：Du, Chenhao; Cooper, William L.; Wang, Zizhuo
作者单位：University of Minnesota System; University of Minnesota Twin Cities
摘要：We consider a seller's problem of determining revenue-maximizing prices for an assortment of products that exhibit network effects. Customers make purchase decisions according to a multinomial logit choice model, modified-to incorporate network effects-so that the utility each individual customer gains from purchasing a particular product depends on the market's total consumption of that product. In the setting of homogeneous products, we show that if the network effect is comparatively weak, ...
