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作者：Bockstedt, Jesse; Druehl, Cheryl; Mishra, Anant
作者单位：University of Arizona; George Mason University
摘要：Innovation contests are increasingly adopting a format where submissions are viewable by all contestants and the information structure changes during the contest. In such an unblind format, contestants must weigh the costs of revealing their submissions against the benefits of improving their submissions through emerging information. We take a closer look at how contestants solve problems in innovation contests with public submission of solutionsthat is, unblind contests, by examining the impl...
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作者：Guda, Harish; Dawande, Milind; Janakiraman, Ganesh; Jung, Kyung Sung
作者单位：University of Texas System; University of Texas Dallas; State University System of Florida; University of Florida
摘要：We consider the stochastic, single-machine earliness/tardiness problem (SET), with the sequence of processing of the jobs and their due-dates as decisions and the objective of minimizing the sum of the expected earliness and tardiness costs over all the jobs. In a recent paper, Baker () shows the optimality of the Shortest-Variance-First (SVF) rule under the following two assumptions: (a) The processing duration of each job follows a normal distribution. (b) The earliness and tardiness cost pa...
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作者：Aflaki, Arian; Pedraza-Martinez, Alfonso J.
作者单位：Duke University; Indiana University System; IU Kelley School of Business; Indiana University Bloomington
摘要：This study analyzes the trade-off between funding strategies and operational performance in humanitarian operations. If a Humanitarian Organization (HO) offers donors the option of earmarking their donations, HO should expect an increase in total donations. However, earmarking creates constraints in resource allocation that negatively affect HO's operational performance. We study this trade-off from the perspective of a single HO that maximizes its expected utility as a function of total donat...
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作者：Chen, Xin; Zhang, Jiawei
作者单位：University of Illinois System; University of Illinois Urbana-Champaign; New York University
摘要：Sharing common production, resources, and services to reduce cost are important for not for profit operations due to limited and mission-oriented budget and effective cost allocation mechanisms are essential for encouraging effective collaborations. In this study, we illustrate how rigorous methodologies can be developed to derive effective cost allocations to facilitate sustainable collaborations in not for profit operations by modeling the cost allocation problem arising from an economic lot...
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作者：Park, Seung Jae; Lai, Guoming; Seshadri, Sridhar
作者单位：Ewha Womans University; University of Texas System; University of Texas Austin; Indian School of Business (ISB)
摘要：This study investigates the value of inventory sharing in the presence of spot and forward markets. We consider a multi-period setting where two firms process a common commodity to meet stochastic demands. They can buy and sell the commodity through both the spot and forward markets. They can also share the commodity if one has leftover inventory while the other has excess demand. We first characterize the equilibrium strategies of the two firms. Our analysis reveals that in such a context, th...
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作者：Ulrich, Karl T.
作者单位：University of Pennsylvania
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作者：Deng, Shiming; Yano, Candace Arai
作者单位：Huazhong University of Science & Technology; University of California System; University of California Berkeley; University of California System; University of California Berkeley
摘要：Managers at all stages of a supply chain are concerned about meeting profit targets. We study contract design for a buyer-supplier supply chain, with each party maximizing expected profit subject to a chance constraint on meeting his respective profit target. We derive the optimal contract form (across all contract types) with randomized and deterministic payments. The best contract has the property that, if the chance constraints are binding, at most one party fails to satisfy his profit targ...
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作者：Sting, Fabian J.; Loch, Christoph H.
作者单位：Erasmus University Rotterdam; Erasmus University Rotterdam - Excl Erasmus MC; University of Cambridge
摘要：We study the implementation of operations strategy at six German manufacturers in mature businesses. Search theory argues that vertical coordination (i.e., unilateral top-down adjustment of lower-level search actions) balances stability against the improvement potential enabled by frontline search and also that horizontal coordination (i.e., bilateral adjustment among lower-level search actions) is required to ensure compatibility among the initiatives generated in various organizational subun...
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作者：Guo, Hong; Easley, Robert F.
作者单位：University of Notre Dame
摘要：We examine the link between network neutrality (NN) and content innovation on the Internet by comparing the impact of NN and packet discrimination (PD) regimes on content innovation. We do this in the context of a two-sided market model that simultaneously considers content provider (CP) and consumer decisions concerning market entry and participation while taking into account consumers' response to network congestion. We find that content innovation flourishes under NN to a greater degree tha...
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作者：Tan, Burcu; Feng, Qi; Chen, Wen
作者单位：Tulane University; Purdue University System; Purdue University; Providence College
摘要：Sourcing from multiple suppliers with different characteristics is common in practice for various reasons. This paper studies a dynamic procurement planning problem in which the firm can replenish inventory from a fast and a slow supplier, both with uncertain capacities. The optimal policy is characterized by two reorder points, one for each supplier. Whenever the pre-order inventory level is below the reorder point, a replenishment order is issued to the corresponding supplier. Interestingly,...
