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A two-echelon supply chain coordination for deteriorating item with a multi-variable continuous demand function

International Journal of Systems Science: operations and Logistics 2015年第1期2卷 49-62页

作者： Bai, Qing-Guo Xu, Xian-Hao Chen, Ming-Yuan Luo, Qian Department of Production and Operations Management School of Management Huazhong University of Science and Technology Wuhan China Department of Mechanical and Industrial Engineering Concordia University Montreal Canada

This paper considers a two-echelon supply chain system consisting of one manufacturer and one retailer for deteriorating items. Shortages are not allowed and the market demand is simultaneously influenced by multiple factors including promotional effort, selling price, on-hand inventory level and time. Demand information is symmetrically known to both the manufacturer and the retailer, hence, the promotional effort is assumed to be provided by both members. For the system where the manufacturer and the retailer share the investment cost of promotional effort equally, it is shown that revenue sharing contract and revenue and cost sharing contract can both lead to perfect coordination. Comparing these two contracts, it is also found that the latter contract is easier to be accepted by the system. Hence, revenue and cost sharing contract is applied to coordinate the general system, and the range of revenue sharing fraction leading to a win-win outcome is obtained. Two numerical examples are presented to illustrate the development of the model with sensitivity analysis. © 2015, © 2015 Taylor & Francis.

关键词： contract mechanism deteriorating item multi-variable demand supply chain coordination

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Retail assortment and pricing decisions under a deterministic maximum utility consumer choice model

Retail assortment and pricing decisions under a deterministi...

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IIE Annual Conference and Expo 2014

作者： Ibrahim, Ameera Ghoniem, Ahmed Maddah, Bacel Department of Operations and Information Management Isenberg School of Management University of Massachusetts Amherst United States Engineering Management Program Faculty of Engineering and Architecture American University of Beirut Lebanon

ISBN: (纸本)9780983762430

This paper considers a setting where a retailer seeks to optimize assortment and pricing decisions for a product line comprising substitutable products. The maximum utility (or envy-free pricing) model is adopted, whereby a customer chooses from the offered assortment a product that yields the highest positive utility (if any). A classical, and computationally intractable, mixed-integer nonlinear formulation of the problem in the literature is revisited. Specifically, a linear mixed-integer reformulation is developped, which effectively enables an exact solution to large-scale problem instances using commercial optimization solvers such as CPLEX or GUROBI. The usefulness of the proposed approach is demonstrated in a computational study. This paves the way for examining optimization models for more complex retail analytics problems that lie at the interface of operations management and the marketing literature.

关键词： Costs

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Author Correction: The European Reference Genome Atlas: piloting a decentralised approach to equitable biodiversity genomics

npj biodiversity

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npj biodiversity 2024年第1期3卷 31页

作者： Ann M Mc Cartney Giulio Formenti Alice Mouton Diego De Panis Luísa S Marins Henrique G Leitão Genevieve Diedericks Joseph Kirangwa Marco Morselli Judit Salces-Ortiz Nuria Escudero Alessio Iannucci Chiara Natali Hannes Svardal Rosa Fernández Tim De Pooter Geert Joris Mojca Strazisar Jonathan M D Wood Katie E Herron Ole Seehausen Phillip C Watts Felix Shaw Robert P Davey Alice Minotto José M Fernández Astrid Böhne Carla Alegria Tyler Alioto Paulo C Alves Isabel R Amorim Jean-Marc Aury Niclas Backstrom Petr Baldrian Laima Baltrunaite Endre Barta Bertrand BedHom Caroline Belser Johannes Bergsten Laurie Bertrand Helena Bilandija Mahesh Binzer-Panchal Iliana Bista Mark Blaxter Paulo A V Borges Guilherme Borges Dias Mirte Bosse Tom Brown Rémy Bruggmann Elena Buena-Atienza Josephine Burgin Elena Buzan Alessia Cariani Nicolas Casadei Matteo Chiara Sergio Chozas Fedor Čiampor Angelica Crottini Corinne Cruaud Fernando Cruz Love Dalen Alessio De Biase Javier Del Campo Teo Delic Alice B Dennis Martijn F L Derks Maria Angela Diroma Mihajla Djan Simone Duprat Klara Eleftheriadi Philine G D Feulner Jean-François Flot Giobbe Forni Bruno Fosso Pascal Fournier Christine Fournier-Chambrillon Toni Gabaldon Shilpa Garg Carmela Gissi Luca Giupponi Jessica Gomez-Garrido Josefa González Miguel L Grilo Björn Grüning Thomas Guerin Nadege Guiglielmoni Marta Gut Marcel P Haesler Christoph Hahn Balint Halpern Peter W Harrison Julia Heintz Maris Hindrikson Jacob Höglund Kerstin Howe Graham M Hughes Benjamin Istace Mark J Cock Franc Janžekovič Zophonias O Jonsson Sagane Joye-Dind Janne J Koskimäki Boris Krystufek Justyna Kubacka Heiner Kuhl Szilvia Kusza Karine Labadie Meri Lähteenaro Henrik Lantz Anton Lavrinienko Lucas Leclère Ricardo Jorge Lopes Ole Madsen Ghislaine Magdelenat Giulia Magoga Tereza Manousaki Tapio Mappes Joao Pedro Marques Gemma I Martinez Redondo Florian Maumus Shane A McCarthy Hendrik-Jan Megens Jose Melo-Ferreira Sofia L Mendes Matteo Montagna Joao Moreno Mai-Britt Mosbech Mónica Moura Zuzana Musilova Eugene Myers Will J N Genomics Institute University of California Santa Cruz CA USA. anmmccar@ucsc.edu. The Vertebrate Genome Laboratory The Rockefeller University New York NY USA. Department of Biology University of Florence Sesto Fiorentino Italy. InBios-Conservation Genetics Laboratory University of Liege Liege Belgium. Leibniz Institut für Zoo und Wildtierforschung Berlin Germany. Berlin Center for Genomics in Biodiversity Research Berlin Germany. Department of Biology University of Antwerp Antwerp Belgium. Institute of Zoology University of Cologne Cologne Germany. Department of Chemistry Life Sciences and Environmental Sustainability University of Parma Parma Italy. Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra) Barcelona Spain. Naturalis Biodiversity Center Leiden The Netherlands. Neuromics Support Facility VIB Center for Molecular Neurology VIB Antwerp Belgium. Neuromics Support Facility Department of Biomedical Sciences University of Antwerp Antwerp Belgium. Tree of Life Wellcome Sanger Institute Hinxton Cambridge UK. School of Biology and Environmental Science University College Dublin Belfield Ireland. Aquatic Ecology & Evolution Institute of Ecology & Evolution University of Bern Bern Switzerland. Department of Fish Ecology & Evolution Eawag Kastanienbaum Switzerland. Department of Biological and Environmental Science University of Jyvaskyla Jyvaskyla Finland. The Earlham Institute Norwich Research Park Norwich UK. Digital Science London UK. Barcelona Supercomputing Center Spanish National Bioinformatics Institute ELIXIR Spain Getafe Spain. Leibniz Institute for the Analysis of Biodiversity Change Museum Koenig Bonn Bonn Germany. CE3C-Centre for Ecology Evolution and Environmental Changes & CHANGE-Global Change and Sustainability Institute Faculdade de Ciências Universidade de Lisboa Campo Grande Lisboa Portugal. Centro Nacional de Análisis Genómico (CNAG) Barcelona Spain. Universitat de Barcelona (UB) Barcelona Spain. CIBIO C

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Re-examining the efficiency of the Major League Baseball over-under betting market

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Applied Financial Economics 2014年第18期24卷 1229-1234页

作者： Bickel, J. Eric Kim, Seong Dae Graduate Program in Operations Research and Industrial Engineering The University of Texas Austin TX 78712-0292 United States Engineering Science and Project Management Department University of Alaska Anchorage Anchorage AK 99508-4614 United States

We examine the efficiency of the Major League Baseball over-under betting market. Previous research in this area was unable to correctly test market efficiency because a data-set including the odds at which wagers were placed was unavailable. Using a data-set that includes both run lines and money lines, we find little evidence that the over-under market is inefficient. © 2014 © 2014 Taylor & Francis.

关键词： Major League Baseball market efficiency money line over-under betting run line total runs

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Construction workforce management strategies to reduce absenteeism: A survey study

Construction workforce management strategies to reduce absen...

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2014 Construction Research Congress: Construction in a Global Network, CRC 2014

作者： Lattouf, M. Ghayth Srour, F. Jordan Srour, Issam M. Engineering Management Program American University of Beirut P.O. Box 11-1486 Beirut 1107-2020 Lebanon Assistant Information Technology and Operations Management Department Lebanese American University P.O. Box 13-5053 Beirut 1102-2801 Lebanon

ISBN: (纸本)9780784413517

Strategic workforce management decisions (e.g., hiring, training, and staffing) have a direct effect on the cost, schedule, and quality of work. This paper presents the preliminary findings of a survey of construction/site managers representing a set of building construction projects in Lebanon. The survey serves to capture current workforce conditions and management practices in an environment that is dominated by residential construction projects and a transient or migrant workforce. Despite the international location of the survey, the results indicate a worker demographic similar to that found in the southwestern United States and other areas with significant residential construction. The results also serve to highlight the significance of basic management techniques in reducing absenteeism: adopting training programs to increase the skill level of workers, providing incentives to increase the tenure of workers onsite, and arranging the working schedule to favor less overtime. © 2014 American Society of Civil Engineers.

关键词： Surveys

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Quantitative modeling of freshwater stress in the nine water basins of Tanzania

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Chinese Journal of Population,Resources and Environment 2014年第4期12卷 309-315页

作者： Felichesmi Selestini Lyakurwa Guobao Song Jingwen Chen Key Laboratory of Industrial Ecology and Environmental Engineering(MOE) School of Environmental Science & TechnologyDalian University of Technology Department of production and operations management Mzumbe University

Freshwater scarcity is a global issue of environmental concern that threatens agricultural production and human *** this study,we established freshwater stress indices(WSIs) for the nine water basins of Tanzania by using the quantity of freshwater available and various water *** relationship between water availability and different water uses,including environmental water requirements,was analyzed,with uncertainty and sensitivity analysis performed by a Monte Carlo simulation *** WSI values close to 1.00 were obtained in the Rufiji,Pangani,and Wami-ruvu basins,Internal drainage,and Lake Rukwa,while low and moderate WSI values ranging from 0.03 to 0.84 were found in Lake Victoria and the Ruvuma,Tanganyika,and Nyasa *** study adds further knowledge on the level of freshwater scarcity,relationships between water availability and different water uses,and suggests policy options to reduce freshwater scarcity at the basin level for sustainable water supply.

关键词： water basin water scarcity water stress index agriculture availability Tanzania

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K-brief and context driven access: Providing context related information to product developers in high quality

K-brief and context driven access: Providing context related...

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2014 International Conference on engineering, Technology and Innovation, ICE 2014

作者： Klein, Patrick Lutzenberger, Johannes Iversen, Geir Kristensen, Kjetil Pawar, Kulwant ICT Applications for Production BIBA- Bremer Institut für Produktion und Logistik GmbH Bremen Germany KBeDesign Aker Solutions Oslo Norway Department of Engineering Design and Materials NTNU Trondheim Norway Department of Operations Management Nottingham University Business School Nottingham United Kingdom

ISBN: (纸本)9781479947348

Identifying necessary and helpful information in context of a concrete task remains a challenge, even though different information and data management systems are in use to support product development and production processes. This paper addresses the key challenge of providing contextual information of a high quality (e.g. in defined maturity). With current systems, the user (the product developer) is forced to transfer a need for specific information into an appropriate query: He/she must have a well-defined overview on existing information management systems, each providing specific search possibilities. As a possible solution, this paper presents two joined concepts: Knowledge-Briefs are proposed to be used to represent product development related knowledge in a condensed manner (similar to design guidelines). These Knowledge-Briefs are based on predefined templates, providing sections as information containers. The Knowledge-Briefs are linked to a so-called Context-Driven Access (the second concept). The core idea of this approach is to proactively provide supporting information, based on an autonomously identified context. To capture such context an information model is proposed, based on description languages. This way, users will be supported with one or more relevant Knowledge-Briefs throughout their work processes, which cover relevant information for the actual tasks they are working on. © 2014 IEEE.

关键词： Semantics

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Estimation of crop residue in China based on a Monte Carlo analysis

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Chinese Journal of Population,Resources and Environment 2014年第1期12卷 88-94页

作者： Guobao Song Li Chea Yangang Yang Felichesmi Lyakurwa Shushen Zhang Key Laboratory of Industrial Ecology and Environmental Engineering(MOE) School of Environmental Science & TechnologyDalian University of Technology Research Institute of Highway Ministry of Transportation Department of Production and Operations Management Mzumbe University

Accurate crop residue resource estimation is important for bioenergy *** is done by the ratio of residue to grain(R/G),which is usually regarded constant and is widely used for crop residue estimation though uncertainty is inevitable in *** this study,a Monte Carlo algorithm was applied to estimate national crop residue by R/G taken from published reports in *** estimated result was further mapped in pixels by geographic information ***2009,the amount of crop residue was found to be 802.32 million tons(Mt),with 679.36 and 947.28 Mt as the lower and upper limits for 95%confidence *** crop residue was dominated by rice,wheat,and corn,accounting for74.57%(598.29 Mt).From 1949 to 2009,the amount of crop residue increased by four times,accompanied by component *** spatial distribution of crop residue in China is markedly *** to the shortage of crop residue in northwest China,there is an abundant crop residue of about 334 Mt in eastern China,attracting 90%of the country's electricity or heat generation plants.

关键词： crop residue uncertainty Monte Carlo residue/grain ratio spatial distribution

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The AgMIP potato model intercomparison pilot - First responses 1

The AgMIP potato model intercomparison pilot - First respons...

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ASABE 1st Climate Change Symposium: Adaptation and Mitigation

作者： Fleisher, D.H. Condon, B. Quiroz, R. Alva, A. Asseng, S. Bindi, M. Brown, H. Ferrise, R. Franke, L. Govindakrishnan, P.M. Harahagazwe, D. Haverkort, A. Hoogenboom, G. Naresh Kumar, S. Merante, P. Nendel, C. Olesen, J.E. Parker, P.S. Raes, D. Raymundo, R. Ruane, A. Searle, B. Stockle, C. Supit, I. Vanuytrecht, E. Wolf, J. Woli, P. USDA-ARS Crop Systems and Global Change BeltsvilleMD United States International Potato Center Lima Peru USDA-ARS Agricultural Systems Unit SidneyMD United States University of Florida Agricultural and Biological Engineering Department GainesvilleFL United States University of Florence Department of Agrifood Production and Environmental Sciences Florence Italy New Zealand Institute for Plant and Food Research Limited Christchurch New Zealand Wageningen University Plant Production Systems Wageningen Netherlands Central Potato Research Institute Shimla India International Potato Center Crop Ecophysiology and Modelling CIP SSA Nairobi Kenya Washington State University Ag Weather Net Program ProsserWA United States Central Plantation Crops Research Institute Kerala India Leibniz Centre for Agricultural Landscape Research Institute of Landscape Systems Analysis Brandenburg Germany Aarhus University Department of Agroecology and Environment Tiele Denmark KU Leuven University Department of Earth and Environmental Sciences Leuven Belgium NASA Goddard Institute for Space Studies wd New YorkNY United States Washington State University Biological Systems Engineering PullmanWA United States Wageningen University Earth System Science and Climate Adaptive Land Management Wageningen Netherlands

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The impact of climate change on global wheat production

The impact of climate change on global wheat production

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第七届国际作物科学大会

作者： S.Asseng P.Martre A.Maiorano R.P.Rtter G.O'Leary G.Fitzgerald C.Girousse M.A.Baber M.P.Reynolds A.M.S.Kheir P.J.Thorburn K.Waha A.C.Ruane P.K.Aggarwal M.Ahmed J.Balkovic B.Basso A.Berger C.Biernath M.Bindi D.Cammarano A.J.Challinor G.De Sanctis J.Doltra B.Dumont E.Eyshi Rezaei E.Fereres R.Ferrise M.Garcia-Vila S.Gayler G.Hoogenboom R.C.Izaurralde M.Jabloun C.D.Jones B.T.Kassie K.C.Kersebaum C.Klein A.K.Koehler B.Liu S.Minoli M.Montesino San Martin C.Muller S.Naresh Kumar C.Nendel J.E.Olesen T.Palosuo J.R.Porter E.Priesack D.Ripoche M.A.Semenov C.Stockle P.Stratonovitch T.Streck I.Supit F.Tao M.Van der Velde D.Wallach E.Wang H.Webber J.Wolf P.Woli Z.Zhang Y.Zhu F.Ewert Agricultural & Biological Engineering Department University of Florida UMR GDEC INRAUniversite Blaise Pascal World Food Crops Breeding(wheat & oat) 3105 McCarty Hall BDepartment of AgronomyIFASUniversity of Florida CIMMYT Int.Adpo D.F.Mexico CSIRO Agriculture Flagship CSIRO Queensland Biosci Precinct St Lucia CGIAR Research Program on Climate Change Agriculture and Food SecurityInternational Water Management Institute Biological Systems Engineering Washington State University Department of agronomy PMAS Arid Agriculture University Comenius University Faculty of Natural ScienceDepartment of Soil Science Department of Geological Sciences Michigan State University W.K.Kellogg Biological Station Michigan State University Department of Agri-food Production and Environmental Sciences(DISPAA) University of Florence Institute for Climate and Atmospheric Science School of Earth and EnvironmentUniversity of Leeds CGIAR-ESSP Program on Climate Change Agriculture and Food SecurityInternational Centre for Tropical Agriculture(CIAT) Institute of Crop Science and Resource Conservation INRES University of Bonn IAS-CSIC and University of Cordoba Institute of Soil Science and Land Evaluation University of Hohenheim Department of Geographical Sciences University of Maryland Texas A&M AgriLife Research and Extension Center Texas A&M University Department of Agroecology Aarhus University Institute of Biochemical Plant Pathology Helmholtz Zentrum Munchen-German Research Center for Environmental Health College of Agriculture Nanjing Agricultural University Potsdam Institute for Climate Impact Research University of Copenhagen Department of Plant & Environmental Science Centre for Environment Science and Climate Resilient Agriculture Indian Agricultural Research InstituteIARI PUSA University of Greenwich Natural Resources Institute INRA US1116 AgroClim Computational and Systems Biology Department Rothamsted Research Plant Production Systems & Earth System Science Wageningen University Institute of Geographical Sciences and Natu

The Agricultural Model Intercomparison and Improvement Project has shown that many wheat crop models can simulate grain yields and growth dynamics under a range of growing conditions,but simulation results often *** model uncertainties increase with higher temperatures and with combined increased temperature and CO,however,multi-model ensemble medians have proven with field observations to be a good predictor of observed data under various growing *** multi-model ensemble median simulations showed that global wheat production declines by 6% for each degree of global temperature *** simulated impact is similar to temperature impact assessments using statistical regression methods with aggregated farm *** on the temperature impact study,new simulations of increased temperature were combined with elevated CO and rainfall changes to assess their impact on yield and protein and included the possible role of genetic adaptations to climate change at local,regional and global scales.

关键词： Global foods security Climate change Adaptation Wheat

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