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European Journal of Operational Research
IF
3.81
Papers
19739
Papers 19318
1 page of 1,932 pages (19.3k results)
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Published on Jun 1, 2019in European Journal of Operational Research 3.81
Shaomin Wu23
Estimated H-index: 23
(UKC: University of Kent),
I. T. Castro14
Estimated H-index: 14
(University of Extremadura)
Abstract This paper develops maintenance policies for a system under condition monitoring. We assume that a number of defects may develop and the degradation process of each defect follows a gamma process. The system is said failed if a linear combination of the degradation processes exceeds a pre-specified threshold. Preventive maintenance is performed. The system is renewed after several preventive maintenance activities have been performed. The main objective of this paper is to optimise the ...
Published on Jul 1, 2019in European Journal of Operational Research 3.81
Shichen Zhang1
Estimated H-index: 1
(College of Management and Economics),
Jianxiong Zhang17
Estimated H-index: 17
(College of Management and Economics)
Abstract Nowadays, some suppliers are looking for offline expansion in addition to their preexisting online channels relying on e-tailers. This study focuses on the e-tailer’s demand information sharing strategy with the supplier who may build upon brick-and-mortar stores. Both prevailing agreements between the supplier and the e-tailer are investigated: agency selling and reselling. The equilibrium results are quite different under these two agreements. Specifically, when the supplier’s offline...
Published on Jul 1, 2019in European Journal of Operational Research 3.81
Johannes Mauritzen4
Estimated H-index: 4
(BI Norwegian Business School)
Abstract Solar panels should not be considered commodities. Considerable quality differences, as measured directly by degradation of production over time, are found between manufacturers. I test two implications from the theory of asymmetric information of quality and find: 1.) Solar power systems with high-information third-party owners display higher quality than host-owned systems. 2.) Furthermore, with a 85% probability, the price of solar panels that are owned by high-information owners are...
Published on Jun 1, 2019in European Journal of Operational Research 3.81
Gino J. Lim15
Estimated H-index: 15
(UH: University of Houston),
Laleh Kardar6
Estimated H-index: 6
+ 1 AuthorsWenhua Cao (University of Texas MD Anderson Cancer Center)
Abstract Robust optimization approaches have been widely used to address uncertainties in radiation therapy treatment planning problems. Because of the unknown probability distribution of uncertainties, robust bounds may not be correctly chosen, and a risk of undesirable effects from worst-case realizations may exist. In this study, we developed a risk-based robust approach, embedded within the conditional value-at-risk representation of the dose-volume constraint, to deal with tumor shrinkage u...
Published on Jul 9, 2018in European Journal of Operational Research 3.81
Alejandro Saavedra-Nieves (University of Vigo), Alejandro Saavedra-Nieves + 0 AuthorsPeter Borm25
Estimated H-index: 25
This paper addresses interactive one-machine sequencing situations in which the costs of processing a job are given by an exponential function of its completion time. The main difference with the standard linear case is that the gain of switching two neighbors in a queue is time-dependent and depends on their exact position. We illustrate that finding an optimal order is complicated in general and we identify specific subclasses, which are tractable from an optimization perspective. More specifi...
Published on Jun 1, 2019in European Journal of Operational Research 3.81
Lina M. Johansson4
Estimated H-index: 4
(Lund University),
Danja R. Sonntag (UMA: University of Mannheim)+ 1 AuthorsGp Gudrun Kiesmüller19
Estimated H-index: 19
(Otto-von-Guericke University Magdeburg)
Abstract We consider a one-warehouse-multiple-retailer inventory system where the retailers face stochastic customer demand, modelled as compound Poisson processes. Deliveries from the central warehouse to groups of retailers are consolidated using a time based shipment consolidation policy. This means that replenishment orders have to wait until a vehicle departures, which increases the lead time for the retailers and therefore also the safety stock. Thus, a trade-off exists between expected sh...
Published on Jun 1, 2019in European Journal of Operational Research 3.81
Rachel J. Huang7
Estimated H-index: 7
(NCU: National Central University),
Larry Y. Tzeng10
Estimated H-index: 10
(NTU: National Taiwan University)
+ 1 AuthorsLin Zhao1
Estimated H-index: 1
Abstract Levy (2016) proposes asymptotic first-degree stochastic dominance as a distribution ranking criterion for all non-satiable decision makers with infinite investment horizons. Given Levy’s setting, this paper defines and offers the equivalent distributional conditions for asymptotic second-degree stochastic dominance, as well as operational asymptotic first- and second-degree stochastic dominance. Interestingly, the operational asymptotic stochastic dominance provides a full rank over ass...
Published on Jul 1, 2019in European Journal of Operational Research 3.81
Maria Flora , Tiziano Vargiolu8
Estimated H-index: 8
(UNIPD: University of Padua)
Abstract The price of permits in the European Union Emissions Trading System (EU ETS) has historically been highly sensitive and prone to jumps. We consider different stochastic processes to model the price of permits, and show that the Variance Gamma (VG) model provides the best fit for the price distribution, among a selection of infinite activity processes. Using this result as a starting point, we assess the effects of the EU ETS in delivering low-carbon investments at the firm level, by mod...
Published on Jun 1, 2019in European Journal of Operational Research 3.81
Jeroen Burgelman (UGent: Ghent University), Mario Vanhoucke36
Estimated H-index: 36
(UGent: Ghent University)
Abstract This paper presents a simulation study for a resource-constrained project scheduling problem with multiple alternatives. We decide on a set of baseline schedules at the project planning phase, resulting in options to switch between execution modes of activities during project execution. We assess the performance of the set of baseline schedules under general mode implementation disruptions. A simple, yet effective algorithm is presented to construct the set of baseline schedules. Moreov...
Published on Jul 1, 2019in European Journal of Operational Research 3.81
Xiaochun Meng (University of Sussex), James W. Taylor33
Estimated H-index: 33
(University of Oxford)
Abstract Value-at-Risk (VaR) is a popular measure of market risk. To convey information regarding potential exceedances beyond the VaR, Expected Shortfall (ES) has become the risk measure for trading book bank regulation. However, the estimation of VaR and ES is challenging, as it requires the estimation of the tail behaviour of daily returns. In this paper, we take advantage of recent research that develops joint scoring functions for VaR and ES. Using these functions, we present a novel approa...
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