• Changes in herring consumption in Russia 

      Lien, Kristin; Tveterås, Ragnar; Tveterås, Sigbjørn (Working paper, Working paper, 2007-12)
      In the seafood category Russian consumers are adopting new species and new product forms at a rapid rate. We employ a panel data set on monthly per capita demand for different herring products in six Russian regions to ...
    • Confidence intervals for the shrinkage estimator 

      Nilsen, Odd Bjarte; Asche, Frank; Tveterås, Ragnar (Working paper, Working paper, 2005-08)
      Shrinkage estimators have recently become popular in estimation of heterogeneous models on panel data. In this chapter we show that the estimated covariance matrix in the posterior distribution of the shrinkage estimator ...
    • Critical factors in transnational oil companies localisation decisions : clusters and portfolio optimisation 

      Kind, Hans Jarle; Osmundsen, Petter; Tveterås, Ragnar (Working Paper, Working paper, 2001-10)
      Enhanced understanding of the factors determining transnational companies’ localisation decisions is important for regulators and other stakeholders concerned about maintaining current activity levels in a petroleum producing ...
    • Modeling demand for fishmeal using a heterogeneous estimator for panel data 

      Tveterås, Ragnar; Tveterås, Sigbjørn; Sissener, Elin Helene (Working Paper, Working paper; Working paper, 2003-12)
      Increased livestock and aquaculture production can put pressure on the fishmeal market, and thus industrial fisheries stocks, since both of these sectors use fishmeal in their feeds. Data indicate that fishmeal supply has ...
    • Natural gas demand in the European household sector 

      Nilsen, Odd Bjarte; Asche, Frank; Tveterås, Ragnar (Working paper, Working paper, 2005-08)
      This paper analyzes the residential natural gas demand per capita in 12 European countries using a dynamic loglinear demand model, which allows for country-specific elasticity estimates in the short and long run. The ...
    • Productivity development in Icelandic : Norwegian and Swedish fisheries 

      Eggert, Håkan; Tveterås, Ragnar (Working paper, Working paper, 2007-12)
      Several factors contribute to the productivity of nations’ fisheries: Abundance of fish stocks, government regulation of fisheries, and innovations in fishing technologies. We analyze the total factor productivity (TFP) ...
    • Productivity in organic and conventional salmon aquaculture 

      Reithe, Siv; Tveterås, Ragnar (Working paper, Working paper; Working paper, 2000-09)
      This report provides a comparative analysis of productivity in conventional and organic salmon aquaculture. Regulations in organic salmon farming impose several restrictions on production that are not present in conventional ...
    • Tax shifting in long-term gas sales contracts 

      Asche, Frank; Osmundsen, Petter; Tveterås, Ragnar (Working paper, Working paper, 2002-01)
      Producers or consumers faced with an increase in taxes are usually able to shift parts of it to other levels in the value chain. We examine who are actually bearing the burden of increased taxes on natural gas in the EU-area ...
    • Vertical coordination in the salmon supply chain 

      Tveterås, Ragnar; Kvaløy, Ola (Working paper, Working paper, 2004-01)
      The extent of vertical coordination in the supply chain for salmon was limited until the early 1990s. During the last ten years, however, there have been several developments that have lead to tighter vertical coordination ...