• Social origins of a work ethic : norms, mobility and urban unemployment 

      Kolstad, Ivar (Discussion paper, Working paper, 2002-03)
      Neighbourhood effects and worker mobility have been proposed as explanations for the pattern of employment in cities. This paper presents a the oretical framework within which the joint impact of these two factors can ...
    • Viscosity and dispersion in an evolutionary model of learning 

      Kolstad, Ivar (Discussion paper, Working paper, 2002-03)
      A two-population evolutionary model of learning is proposed where there is a conflict of interests between populations, and where interaction ranges from complete viscosity to complete dispersion. The long run stochastically ...
    • What constitutes a convention? : implications for the coexistence of conventions 

      Kolstad, Ivar (Discussion paper, Working paper, 2002-03)
      A model of repeated play of a coordination game, where stage games have a location in social space, and players receive noisy signals of the true location of their games, is reviewed. Sugden (1995) suggests that in such ...