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作者:Afanasyev, Maxim; Mendelson, Haim
作者单位:Stanford University
摘要:We model competition between two providers who serve delay-sensitive customers. We compare a generalized delay cost structure, where a customer's delay cost depends on her service valuation, with the traditional additive delay cost structure, where the delay cost is independent of the customer's service valuation. Under the additive delay cost structure, service providers offer different prices and expected delays, but customers are indifferent between the providers. Under the generalized dela...
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作者:Aydinliyim, Tolga; Vairaktarakis, George L.
作者单位:University of Oregon; University System of Ohio; Case Western Reserve University
摘要:A set of manufacturers outsources certain operations to a single third party following the announcement of a booking price for each available day of production. Knowing these costs, manufacturers book available production days in a first-come-first-serve order to optimize their individual cost. The cost for each manufacturer consists of booking and work-in-progress costs, as expressed by the weighted flow time. When window booking is completed, the third party identifies a schedule that minimi...
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作者:Cho, Soo-Haeng
作者单位:Carnegie Mellon University
摘要:The Vaccine and Related Biologic Products Advisory Committee meets at least once a year to decide the composition of seasonal influenza vaccine in the United States. Past evidence suggests that the committee could use a more systematic approach to incorporate observed information and to quantify the risks associated with different options. There are two key trade-offs involved in this decision. First, if the Committee decides to retain the current vaccine composition instead of updating to a n...
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作者:Robinson, Lawrence W.; Chen, Rachel R.
作者单位:Cornell University; University of California System; University of California Davis
摘要:This paper compares two types of appointment-scheduling policies for single providers: traditional and open-access. Under traditional scheduling, each of a specified number of patients per day is booked well in advance, but may not show up for his or her appointment. Under open-access scheduling, a random number of patients call in the morning to make an appointment for that same day. Thus the number of patient arrivals will be random, for different reasons, under both policies. We find that t...
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作者:Lai, Guoming; Debo, Laurens G.; Sycara, Katia
作者单位:University of Texas System; University of Texas Austin; University of Chicago; Carnegie Mellon University
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作者:Graves, Stephen C.
作者单位:Massachusetts Institute of Technology (MIT)
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作者:Armony, Mor; Plambeck, Erica; Seshadri, Sridhar
作者单位:New York University; Stanford University
摘要:This paper employs sample path arguments to derive the following convexity properties and comparative statics for an M/M/S queue with impatient customers. If the rate at which customers balk and renege is an increasing, concave function of the number of customers in the system (head count), then the head-count process and the expected rate of lost sales are decreasing and convex in the capacity (service rate or number of servers). This result applies when customers cannot observe the head coun...
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作者:Beil, Damian R.; Wein, Lawrence M.
作者单位:University of Michigan System; University of Michigan; Stanford University
摘要:Motivated by the ease with which online customers can bid simultaneously in multiple auctions, we analyze a system with two competing auctioneers and three types of bidders: those dedicated to either of the two auctions and those that participate simultaneously in both auctions. Bidding behavior is specified and proven to induce a Bayesian Nash equilibrium, and a closed-form expression for the expected revenue of each auctioneer is derived. For auctioneers selling a single item, partial poolin...
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作者:Anderson, Shannon W.; Baggett, L. Scott; Widener, Sally K.
作者单位:Rice University; University of Melbourne
摘要:Research in consumer psychology shows that customers seek reasons for service failures and that attributions of blame moderate the effects of failure on the level of customer satisfaction. This paper extends research on service operations failures by hypothesizing that attributions of blame also affect what matters to the customer during service failures. Specifically, we hypothesize that the relative weights that customers assign to key service elements in reaching an overall assessment of cu...
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作者:Bassamboo, Achal; Harrison, J. Michael; Zeevi, Assaf
作者单位:Northwestern University; Stanford University; Columbia University
摘要:Generalizing earlier work on staffing and routing in telephone call centers, we consider a processing network model with large server pools and doubly stochastic input flows. In this model the processing of a job may involve several distinct operations. Alternative processing modes are also allowed. Given a finite planning horizon, attention is focused on the two-level problem of capacity choice and dynamic system control. A pointwise stationary fluid model (PSFM) is used to approximate system...