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作者：Ghiassi-Farrokhfal, Yashar; Belo, Rodrigo; Hesamzadeh, Mohammed Reza; Bunn, Derek
作者单位：Erasmus University Rotterdam - Excl Erasmus MC; Erasmus University Rotterdam; Universidade Nova de Lisboa; Royal Institute of Technology; University of London; London Business School
摘要：Problem definition: With the rise of renewables and the decline of fossil fuels, electricity markets are shifting toward a capacity mix in which low-cost generators (LCGs) are dominant. Within this transition, policymakers have been considering whether current market designs are still fundamentally fit for purpose. This research analyses a key aspect: the design of real-time imbalance pricing mechanisms. Currently, markets mostly use either single pricing or dual pricing as their imbalance pri...
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作者：Khorasani, Sina; Nittala, Lakshminarayana; V. Krishnan, Vish
作者单位：University System of Ohio; University of Dayton; University of California System; University of California San Diego
摘要：Problem definition: Firms seek to use the contest format to source solutions from a broader network of outside solvers. We study the application of the contest approach in multistage settings and show how and when screening of contestants between stages can produce improved contest outcomes. Methodology/results: We present an application-driven game-theoretic model to capture imperfections in screening using the true-positive rate (sensitivity) and the true-negative rate (specificity). Specifi...
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作者：Kotsi, Telesilla O.; Aflaki, Arian; Aydin, Goker; Pedraza-Martinez, Alfonso J.
作者单位：University System of Ohio; Ohio State University; Pennsylvania Commonwealth System of Higher Education (PCSHE); University of Pittsburgh; Johns Hopkins University; University of Notre Dame
摘要：Problem definition: U.S. nonprofits declare three types of expenses in their IRS 990 forms: program spending to meet beneficiaries' needs; fundraising spending to raise donations; and administration spending to build and maintain capacity. Charity watchdogs, however, expect nonprofits to prioritize program spending over other categories. We study when such expectations may lead to the starvation cycle or underspending on administration and fundraising. Methodology/results: We characterize opti...
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作者：Afeche, Philipp; Liu, Zhe; Maglaras, Costis
作者单位：University of Toronto; Imperial College London; Columbia University
摘要：Problem definition: Motivated by ride-hailing platforms such as Uber, Lyft and Didi, we study the problem of matching riders with self-interested drivers over a spatial network. We focus on the performance impact of two operational platform controls- demand-side admission control and supply-side repositioning control-considering the interplay with two practically important challenges: (i) spatial demand imbalances prevail for extended periods of time; and (ii) self-interested drivers strategic...
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作者：Lu, Tao; Tomlin, Brian
作者单位：University of Connecticut; Dartmouth College
摘要：Problem definition: Dual sourcing and contingent sourcing are important risk mitigation strategies to manage supply chain risks, including transportation-related losses of inbound orders. Contingent sourcing as a means of managing transportation risk is made possible by shipment information realized at in-transit inspection points or through shipment monitoring technologies. We examine the impact of contingent sourcing and shipment information in a setting where a buyer can source from two com...
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作者：Pun, Chi Seng; Wang, Tianyu; Yan, Zhenzhen
作者单位：Nanyang Technological University; Columbia University
摘要：Problem definition: Nonstationarity of the random environment is a critical yet challenging concern in decision-making under uncertainty. We illustrate the challenge from the nonstationarity and the solution framework using the portfolio selection problem, a typical decision problem in a time-varying financial market. Methodology/Results: This paper models the nonstationarity by a regime-switching ambiguity set. In particular, we incorporate the time-varying feature of the stochastic environme...
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作者：Cao, Xinyan; Fang, Xiang; Xiao, Guang; Yang, Nan
作者单位：Northern Illinois University; University of Colorado System; University of Colorado Anschutz Medical Campus; Children's Hospital Colorado; University of Colorado Denver; Hong Kong Polytechnic University; University of Miami
摘要：Problem definition: We study an optimal contract design problem for a national brand (NB) manufacturer, which sells her product via a retailer. The retailer may introduce his store brand (SB) with private cost information. The manufacturer estimates that the retailer's SB cost may be high or low with certain probabilities and offers a menu of twopart tariff contracts to screen the retailer's cost information. Methodology/results: Following the mechanism design theory, we formulate the problem ...
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作者：Lu, Tao; Zheng, Zhichao; Zhong, Yuanguang
作者单位：University of Connecticut; Singapore Management University; South China University of Technology
摘要：Problem definition: With the rapid growth of the gig economy, on-demand staffing platforms have emerged to help companies manage their temporary workforce. This emerging business-to-business context motivates us to study a new form of supply chain coordination problem. We consider a staffing platform managing an on-demand workforce to serve multiple firms facing stochastic labor demand. Before demand realization, each individual firm can hire permanent employees, whereas the platform determine...
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作者：Wang, Guihua; Li, Jun; Hopp, Wallace J.
作者单位：University of Texas System; University of Texas Dallas; University of Michigan System; University of Michigan
摘要：Problem definition: This study addresses three important questions concerning personalized healthcare: (1) Are outcome differences between hospitals heterogeneous across patients with different features? (2) If they are, how do the best quality hospitals identified using patient-centric information differ from those identified using population average information? (3) How much will hospitals' pay-for-performance reimbursements change if their performance is measured based on patient-centric in...
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作者：Zhu, Taozeng; Yeo, Nicholas Teck Boon; Gao, Sarah Yini; Loke, Gar Goei
作者单位：Dongbei University of Finance & Economics; Xi'an Jiaotong-Liverpool University; Singapore Management University; Erasmus University Rotterdam - Excl Erasmus MC; Erasmus University Rotterdam
摘要：Problem definition: In the blood-donor-management problem, the blood bank incentivizes donors to donate, given blood inventory levels. We propose a model to optimize such incentivization schemes under the context of random demand, blood perishability, observation period between donations, and variability in donor arrivals and dropouts. Methodology/results: We propose an optimization model that simultaneously accounts for the dynamics in the blood inventory and the donor's donation process, as ...
