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作者：Bansal, Saurabh; Gutierrez, Genaro J.; Keiser, John R.
作者单位：Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; University of Texas System; University of Texas Austin; Dow Chemical Company
摘要：Motivated by a unique agribusiness setting, this paper develops an optimization-based approach to estimate the mean and standard deviation of probability distributions from noisy quantile judgments provided by experts. The approach estimates the mean and standard deviations as weighted linear combinations of quantile judgments, where the weights are explicit functions of the expert's judgmental errors. The approach is analytically tractable, and provides flexibility to elicit any set of quanti...
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作者：Sabouri, Alireza; Huh, Woonghee Tim; Shechter, Steven M. .
作者单位：University of Calgary; University of British Columbia
摘要：Transplant centers screen patients on the kidney transplant waiting list to identify patients with severe conditions such as cardiovascular disease (CVD), which makes them ineligible for a transplant. We propose a model for finding screening strategies, with the objective of minimizing the sum of the expected screening cost and the expected penalty cost associated with transplanting an organ to an ineligible patient. Our results suggest that current screening guidelines, which are based only o...
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作者：Khazaei, Javad; Zakeri, Golbon; Oren, Shmuel S.
作者单位：Princeton University; University of Auckland; University of California System; University of California Berkeley
摘要：Participants in electricity markets face a substantial amount of uncertainty, and with Increased penetration of volatile renewable generation this uncertainty has further increased. Conventionally designed electricity markets cope with uncertainty by running two markets: a market that is cleared ahead of time, followed by a real-time balancing market to reconcile actual realizations of demand and available generation. In such mechanisms, the initial clearing process does not take into account ...
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作者：Alpern, Steve; Howard, J. V.
作者单位：University of Warwick; University of London; London School Economics & Political Science
摘要：In many competitive situations (including nearly all sports) a player's aim is not simply to maximise his score but to maximise its rank among all scores. Examples include sales contests (where the salesman with the highest monthly sales gets a bonus) and patent races (where lowest time is best). We assume the score X-i of player i is obtained costlessly, so that his utility is the probability of having the best score. This gives a constant-sum game. All that matters for player i is the distri...
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作者：Fibich, Gadi; Klein, Roy; Koenigsberg, Oded; Muller, Eitan
作者单位：Tel Aviv University; University of London; London Business School; Reichman University; New York University
摘要：Service providers, such as cell phone carriers, often offer three-part tariff plans that consist of three levers: A fixed fee, an allowance of free units, and a price per unit above the allowance. In previous studies the optimal three-part tariff contract was characterized using the standard first-order conditions approach. Because this optimization problem Is nonsmooth, however, It could only be solved In a few simple cases. In this study we employ a different methodology that Is based on obt...
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作者：Alpern, Steve
作者单位：University of Warwick
摘要：This paper introduces a new search paradigm to hide-and-seek games on networks. The Hider locates at any point on any arc. The Searcher adopts a combinatorial path when searching the network: a sequence of arcs, each adjacent to the last, and traced out at unit speed. In previous literature the Searcher was allowed simple motion, any unit speed path, including ones that turn around inside an arc. The new approach more closely models real problems such as search for improvised explosive devices...
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作者：Li, Hongmin; Webster, Scott
作者单位：Arizona State University; Arizona State University-Tempe
摘要：In this paper, we study price optimization with price-demand relationships captured by the paired combinatorial logit (PCL) model, which overcomes restrictions of the well-studied multinomial logit (MNL) and nested logit (NL) models. The PCL model allows for choice-correlation and, like the NL model, includes the MNL model as a special case. Compared to the NL models, the PCL model does not restrict the sequence of the choice structure and allows for different covariances among all pairs of ch...
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作者：Chen, Li; Song, Jing-Sheng; Zhang, Yue
作者单位：Cornell University; Duke University; Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park
摘要：We study Inventory control of serial supply chains with continuous, Markov-modulated demand (MMD). Our goal is to simplify the computational complexity by resorting to certain approximation techniques, and, in doing so, to gain a deeper understanding of the problem. First, we perform a derivative analysis of the problem's optimality equations and develop general, analytical solution bounds for the optimal policy. This leads to simple-to-compute near-optimal heuristic solutions, which also reve...
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作者：Zhang, Liqing; Cetinkaya, Sila
作者单位：Southern Methodist University; Southern Methodist University
摘要：We study a practical generalization of the classical stochastic dynamic inventory problem where privately owned trucks with limited cargo capacity are used to transport the replenishment quantity. The resulting replenishment cost function also includes the traditional fixed setup cost, and it is known as a multiple setup cost structure, which leads to complicated cost-to-go functions in the problem of interest. We introduce the concepts of non-(Delta,C)-decreasing and non-(Delta,C)(NK)-decreas...
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作者：Lobel, Ilan; Xiao, Wenqiang
作者单位：New York University
摘要：We consider a manufacturer selling to a retailer with private demand information arising dynamically over an infinite time horizon. Under a backlogging model, we show that the manufacturer's optimal dynamic long-term contract takes a simple form: in the first period, based on her private demand forecast, the retailer selects a wholesale price and pays an associated upfront fee, and, from then on, the two parties stick to a simple wholesale price contract with the retailer's chosen price. Under...
