• Maize trade liberalization vs. fertilizer subsidies in Tanzania : a CGE model analysis with endogenous soil fertility 

      Grepperud, Sverre; Wiig, Henrik; Aune, Finn Roar (Discussion Papers;No. 249, Working paper, 1999)
      This paper presents an analysis on economy-environmental interlinkages for Tanzania by using a computable general equilibrium (CGE) model based on a social accounting matrix. The purpose of the analysis is to include general ...
    • Soil Wealth in Tanzania 

      Brekke, Kjell Arne; Iversen, Vegard; Aune, Jens B. (Discussion papers;164, Working paper, 1996-06)
      Many African countries are richly endowed with land, but the productive potential of the land base has been underutilised in farming systems with low intensity of external inputs and high intensity of labour. At the same ...
    • Structural adjustment and soil degration in Tanzania : A CGE-model approach with endogenous soil productivity 

      Aune, Jens B.; Glomsrød, Solveig; Iversen, Vegard; Wiig, Henrik (Discussion Papers;No. 189, Working paper, 1997)
      In this paper, a model of the nitrogen cycle in the soil is incorporated in a Computable General Equilibrium (CGE) model of the Tanzanian economy, thus establishing a two way link between the environment and the economy. ...