• A Behavioral model of work-trip mode choice in Shanghai 

      Liu, Gang (Discussion Papers;No. 444, Working paper, 2006)
      Abstract: This paper analyzes travelers’ choice behavior by using data from a stated preference survey on work-trip mode choice in Shanghai. Several versions of a multinomial choice model are specified and estimated. ...
    • A Statistical Model for Simple, Fast and Reliable Measurement of Poverty. A revised version of DP 415 

      Mathiassen, Astrid (Discussion Papers;No. 415, Working paper, 2005)
      Abstract: The primus inter pares of the UN-approved Millennium Development Goals is to reduce poverty. The only internationally accepted method of estimating poverty requires a measurement of total consumption based on ...
    • Do Norwegian Firms Form Extrapolative Expectations? 

      Svendsen, Ingvild (Discussion papers;126, Working paper, 1994-09)
      The hypothesis of extrapolative expectations is tested directly using Norwegian microeconomic data on firms' expectations of the prices of own products in domestic and export markets and expectations of demand for own ...
    • Modeling and estimation methods for household size in the presence of nonresponse : applied to the Norwegian consumer expenditure survey 

      Belsby, Liv; Bjørnstad, Jan F. (Discussion Papers;No. 206, Working paper, 1997)
      This paper considers the problem of estimating the number of private households of various sizes and the total number of households in Norway. The approach is model-based with a population model for household size given ...
    • Modeling binary panel data with nonresponse 

      Bjørnstad, Jan F.; Sommervoll, Dag Einar (Discussion Papers;No. 297, Working paper, 2001)
      Abstract: This paper studies modeling of nonignorable nonresponse in panel surveys. A class of sequential conditional logistic models for nonresponse is considered. Model-based maximum likelihood estimation and imputation ...
    • Non-Bayesian multiple imputation 

      Bjørnstad, Jan F. (Discussion Papers;No. 421, Working paper, 2005)
      Abstract: Multiple imputation is a method specifically designed for variance estimation in the presence of missing data. Rubin’s combination formula requires that the imputation method is “proper” which essentially means ...
    • The predictive ability of poverty models : empirical evidence from Uganda 

      Mathiassen, Astrid (Discussion Papers;No. 560, Working paper, 2008)
      Abstract: This paper examines the performance of a particular method for predicting poverty. The method is a supplement to the approach of measuring poverty through a fully-fledged household expenditure survey. As most ...
    • Two-Stage sampling from a prediction point of view 

      Bjørnstad, Jan F.; Ytterstad, Elinor (Discussion Papers;No. 383, Working paper, 2004)
      Abstract: This paper considers the problem of estimating the population total in two-stage cluster sampling when cluster sizes are unknown, making use of a population model arising basically from a variance component ...