• ECM-algorithms that converge at the rate of EM 

      Sexton, Joseph; Swensen, Anders Rygh (Discussion Papers;No. 244, Working paper, 1999)
      This paper describes a way of constructing an ECM algorithm such that it converges at the rate of the EM algorithm. The approach is motivated by the well known conjugate directions algorithm, and a special case of it is ...
    • Revealing demand for nature experience using purchase data of equipment and lodging 

      Larsen, Erling Røed (Discussion Papers;No. 305, Working paper, 2001)
      Abstract: In 1967, John Krutilla suggested a relationship between car camping, canoe cruising, and cross-country skiing and induced demand for wild, primitive, and wilderness-related opportunities. Here, the time trend ...