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Viser treff 85-100 av 100

    • The impact of design uncertainty in engineer-to-order project planning 

      Vaagen, Hajnalka; Kaut, Michal; Wallace, Stein W. (Peer reviewed; Journal article, 2017)
      A major driver of planning complexity in engineer-to-order (ETO) projects is design uncertainty far into the engineering and production processes. This leads to uncertainty in technical information and will typically lead ...

    • The Need to Amend IMO’s EEDI to Include a Threshold for Performance in Waves (Realistic Sea Conditions) to Achieve the Desired GHG Reductions 

      Lindstad, Elizabeth; Borgen, Henning; Eskeland, Gunnar; Paalson, Christopher; Psaraftis, Harialos; Turan, Osman (Peer reviewed; Journal article, 2019)
      The International Maritime Organization (IMO) has established the Energy Efficiency Design Index (EEDI) as the most important policy measure to reduce greenhouse gas (GHG) emissions from shipping. A vessel’s EEDI is based ...

    • The Perpetual American Put Option for Jump-Diffusions 

      Aase, Knut K. (Journal article; Peer reviewed, 2010)
      We solve a specific optimal stopping problem with an infinite time horizon, when the state variable follows a jump-diffusion. The novelty of the paper is related to the inclusion of a jump component in this stochastic ...

    • The tyranny puzzle in social preferences: an empirical investigation 

      Cowell, Frank A.; Fleurbaey, Marc; Tungodden, Bertil (Journal article; Peer reviewed, 2015)
      When forming their preferences about the distribution of income, rational people may be caught between two opposite forms of “tyranny.” Giving absolute priority to the worst-off imposes a sort of tyranny on the rest of the ...

    • Transfer of risk in the newsvendor model with discrete demand 

      Jörnsten, Kurt; Nonås, Sigrid Lise; Sandal, Leif Kristoffer; Ubøe, Jan (Journal article; Peer reviewed, 2012)
      In this paper we consider the transfer of risk in a newsvendor model with discrete demand. We view the newsvendor model as a leader/follower problem where the manufacturer (leader) decides the wholesale price and the ...

    • Treating missing values in INAR(1) models: An application to syndromic surveillance data 

      Andersson, Jonas; Karlis, Dimitris (Journal article; Peer reviewed, 2010)
      Time-series models for count data have found increased interest in recent years. The existing literature refers to the case of data that have been fully observed. In this article, methods for estimating the parameters of ...

    • Uncovering preferences from patient list data using benefit efficient models 

      Ubøe, Jan; Lillestøl, Jostein (Journal article; Peer reviewed, 2010)
      In this paper it is shown how the benefit efficient patient list model of Ubøe and Lillestøl [1] can be used to infer strength of preferences from patient list data. It is proved that the model allows the construction of ...

    • Understanding the marginal distributions and correlations of link travel speeds in road networks 

      Guo, Feng; Gu, Xin; Guo, Zhaoxia; Dong, Yucheng; Wallace, Stein William (Peer reviewed; Journal article, 2020)
      Link travel speeds in road networks are essential data for a variety of research problems in logistics, transportation, and traffic management. Real-world link travel speeds are stochastic, and highly dependent on speeds ...

    • Utskjelt bonuslønn fortsatt utbredt - fordi den virker? 

      Bragelien, Iver (Peer reviewed; Journal article, 2018)
      En litteraturgjennomgang viser at det i snitt er en positiv sammenheng mellom belønninger og prestasjoner. Norske bedriftsledere opptrer i tråd med dette. Rundt halvparten av alle ansatte i de største bedriftene har ...

    • Valuation and Risk Management in the Norwegian Electricity Market 

      Bjerksund, Petter; Rasmussen, Heine; Stensland, Gunnar (Journal article; Peer reviewed, 2010)
      The purpose of this paper is twofold: Firstly, we analyse the option value approximation of traded options in the presence of a volatility term structure. The options are identified as: (a) “European” (written on the forward ...

    • The value of timecharter optionality in the drybulk market 

      Ådland, Roar Os; Prochazka, Vit (Peer reviewed; Journal article, 2020)
      Using an optimization model on a network with stochastic travel times we estimate the value of flexible worldwide redelivery compared to the more constrained Atlantic ocean option. We evaluate the value of the redelivery ...

    • Vehicle Routing with Space- and Time-Correlated Stochastic Travel Times: Evaluating the Objective Function 

      Guo, Zhaoxia; Wallace, Stein William; Kaut, Michal (Peer reviewed; Journal article, 2019)
      We study how to model and handle correlated travel times in two-stage stochastic vehicle-routing problems. We allow these travel times to be correlated in time and space; that is, the travel time on one link in one period ...

    • Verdien av å (kunne) stenge 

      Kristiansen, Karoline Ask; Nordahl, Helge; Tesaker, Marte (Journal article, 2017)
      Verdsetting av fysiske eiendeler ved hjelp av diskontering av fremtidige forventede kontantstrømmer tilhører barnelærdommen for siviløkonomer. Denne metoden har imidlertid en stor svakhet: Det forutsettes at eieren ikke ...

    • Well-to-tank carbon emissions from crude oil maritime transportation   

      Greene, Suzanne; Jia, Haiying; Rubio-Domingo, Gabriela (Peer reviewed; Journal article, 2020)
      International seaborne transport of crude oil takes place mainly on tankers, with annual seaborne crude flows totaling an estimated 12 billion barrels. To take into account the carbon footprint on crude oil from its ...

    • When energy efficiency is secondary: The case of Offshore Support Vessels 

      Ådland, Roar Os; Cariou, Pierre; Wolff, Francois-Charles (Journal article; Peer reviewed, 2019)
      Offshore Support Vessels (OSVs) deal with time-sensitive logistics and sophisticated marine operations for high-value offshore oil and gas installations. We investigate whether this creates preferences that effectively ...

    • Will the locals benefit? The effect of wind power investments on rural wages 

      Mauritzen, Johannes (Peer reviewed; Journal article, 2020)