• 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 ...
    • Optimal climate policy under the possibility of a catastrophe 

      Gjerde, Jon; Grepperud, Sverre; Kverndokk, Snorre (Discussion Papers;No. 209, Working paper, 1998)
      This paper concerns optimal emissions of greenhouse gases when catastrophic consequences are possible. A numerical model is presented which takes into account both continuous climate-feedback damages as well as the ...
    • Poverty, land Degradation and Climatic Uncertainty 

      Grepperud, Sverre (Discussion papers;162, Working paper, 1996-04)
      This paper studies farmers who operate in a risky environment at a minimum level of subsistence. In particular is investigated how poverty influence their soil conse rvation decision in the absence of formal insurance ...
    • Soil Conservation as an Investment In Land 

      Grepperud, Sverre (Discussion papers;163, Working paper, 1996-02)
      Most studies on the problem of optimal soil conservation have analyzed soil conservation measures as being time-limited in their e ffect. This paper extends previous analyses of the soil conservation decision by allowing ...
    • Soil Depletion choices under production and price uncertainty 

      Grepperud, Sverre (Discussion Papers;No. 186, Working paper, 1997)
      This paper studies soil depletion incentives in a dynamic economic model under two different sources of revenue uncertainty (production- and output price risk). The focus is on the long-term effects of risk averse preferences. ...