• Convexity, convolution and competitive equilibrium 

      Flåm, Sjur Didrik (Journal article; Peer reviewed, 2023)
      This paper considers a chief interface between mathematical programming and economics, namely: money-based trade of perfectly divisible and transferable goods. Three important and related features are singled out here: ...
    • The Lagrangian, constraint qualifications and economics 

      Rückmann, Jan-Joachim; Flåm, Sjur Didrik (Journal article; Peer reviewed, 2022)
      Considering constrained choice, practitioners and theorists frequently invoke a Lagrangian to generate optimality conditions. Regular use of that vehicle requires, however, some constraint qualification. Yet many economists ...
    • Market equilibria and money 

      Flåm, Sjur Didrik (Journal article; Peer reviewed, 2021)
      By the first welfare theorem, competitive market equilibria belong to the core and hence are Pareto optimal. Letting money be a commodity, this paper turns these two inclusions around. More precisely, by generalizing the ...
    • On shared use of renewable stocks 

      Ekerhovd, Nils-Arne; Flåm, Sjur Didrik; Steinshamn, Stein Ivar (Journal article; Peer reviewed, 2020)
      Considered here is multi-party exploitation of common property, renewable resources. The parties play various dynamic games differing in degree of cooperation and commitment. Comparisons of steady states clarify issues on ...