• Non-linear anonymous pricing in combinatorial auctions 

      Drexl, Andreas; Jörnsten, Kurt; Knof, Diether (Discussion paper, Working paper, 2005-08)
    • Paradoxes in networks supporting competitive electricity markets 

      Bjørndal, Mette; Jörnsten, Kurt (Discussion paper, Working paper, 2000)
      Grid investments are normally done in electrical networks in order to achieve a well functioning integrated electricity market and/or making the network more secure, i.e. less sensitive to link failures. In general, there ...
    • Probabilistic cost efficiency and bounded rationality in the newsvendor model 

      Ubøe, Jan; Andersson, Jonas; Jörnsten, Kurt; Lillestøl, Jostein; Sandal, Leif Kristoffer (Doctoral dissertation;41/14, Working paper, 2014-12)
      In this paper we establish a link between probabilistic cost efficiency and bounded rationality in the newsvendor model. This establishes a framework where bounded rationality can be examined rigorously by statistical ...
    • Reflections about pseudo-dual prices in combinatorial auctions 

      Drexl, Andreas; Jörnsten, Kurt (Discussion paper, Working paper, 2005-04)
      Combinatorial auctions permitting bids on bundles of items have been developed to remedy the exposure problem associated with single-item auctions. Given winning bundle prices a set of item prices is called market clearing ...
    • Replication/prediction problems in the journey-to-work 

      Jörnsten, Kurt; Thorsen, Inge; Ubøe, Jan (Discussion paper, Working paper, 2002)
      In this paper we will consider gravity models for journeys-to-work. In applications of the theory it is sometimes assumed that the parameters in such models are fixed. We will provide examples to show that this is not ...
    • Revelation of preferences in trip distribution models 

      Jörnsten, Kurt; Thorsen, Inge; Ubøe, Jan (Discussion paper, Working paper, 2007)
      In this paper we will see how commuter preferences can be revealed from observations of trip distributions. We will explain how to find unique representations of preference structures leading to an observed trip distribution, ...
    • Revenue cap regulation in a deregulated electricity market : effects on a grid company 

      Bjørndal, Mette; Jörnsten, Kurt (Discussion paper, Working paper, 2001)
      In Norway, an incentive-based regulation of electricity distribution companies, based on revenue caps, was introduced in 1997. The revenues are adjusted annually, and the new revenue cap is determined on the basis of last ...
    • Searching for optimal integer solutions to set partitioning problems using column generation 

      Bredström, David; Jörnsten, Kurt; Rönnqvist, Mikael (Discussion paper;20/07, Working paper, 2007-08)
      We describe a new approach to produce integer feasible columns to a set partitioning problem directly in solving the linear programming (LP) relaxation using column generation. Traditionally, column generation is aimed ...
    • Shapley-Based Stackelberg Leadership Formation in Networks 

      Belik, Ivan; Jörnsten, Kurt (Discussion paper;16/15, Working paper, 2015-04-10)
      In the given research we study a leadership formation of the most influential nodes in networks. Specifically, we analyze the competition between a leader and a follower based on the Stackelberg leadership model. Applying ...
    • Strategic pricing of commodities 

      Jörnsten, Kurt; Ubøe, Jan (Discussion paper, Working paper, 2006)
      In this paper we will consider a setting where a large number of agents are trading commodity bundles. Assuming that agents of the same type have a certain utility attached to each transaction, we construct a statistical ...
    • The Analysis of Leadership Formation in Networks Based on Shapley Value 

      Belik, Ivan; Jörnsten, Kurt (Discussion paper;02/15, Working paper, 2015-01-09)
      In the given research we analyse how an agent can move towards leadership in a socio-economic network. For the node’s (i.e., agent’s) importance measure we use the Shapley value (SV) concept from the area of cooperative ...
    • The coauthorship network analysis of the BI Norwegian business school 

      Belik, Ivan; Jörnsten, Kurt (Discussion papers;31/14, Working paper, 2014-07)
      We construct the coauthorship network based on the scientific collaboration between the faculty members at the Norwegian Business School (BI) and based on their international academic publication experience. The network ...
    • The coauthorship network analysis of the Norwegian school of economics 

      Belik, Ivan; Jörnsten, Kurt (Discussion papers;20/14, Working paper, 2014-05)
      We construct the coauthorship network based on the scientific collaboration between the faculty members at the Norwegian School of Economics (NHH) and based on their international academic publication experience. The ...
    • The comparative analysis of the NHH and BI networks 

      Belik, Ivan; Jörnsten, Kurt (Discussion paper;34/14, Working paper, 2014-09)
      Based on the co-authorship networks of the Norwegian School of Economics (NHH) and the BI Norwegian Business School we present a comparative analysis in terms of structures, collaborations and publications. The networks’ ...
    • The Method of Leader’s Overthrow in Networks 

      Belik, Ivan; Jörnsten, Kurt (Discussion paper;1/16, Working paper, 2016-01-21)
      Methods for leader’s detection and overthrow in networks are useful tools for decision-making in many real-life cases, such as criminal networks with hidden patterns or money laundering networks. In the given research, we ...
    • Viewing the deregulated electricity market as a bilevel programming problem 

      Bjørndal, Mette; Jörnsten, Kurt (Discussion paper, Working paper, 2000)
      In this paper we present a bilevel programming formulation of a deregulated electricity market. By looking at a deregulated electricity market in this format we achieve two things, the relation between a deregulated ...
    • Zonal pricing in a deregulated electricity market 

      Bjørndal, Mette; Jörnsten, Kurt (Discussion paper, Working paper, 1999)
      In the deregulated Norwegian electricity market a zonal transmission pricing system is used to cope with network capacity problems. In this paper we will illustrate some of the problems that the zonal pricing system, as ...