, could provide useful insights when studying brand choice. It was found, however, that the data requirement for a fully … nonparametric brand choice model is so great that obtaining such large data sets is difficult even in marketing. Semiparametric … semiparametric brand choice models that are based on the generalized additive models (GAM). One model is specified as a nonparametric …

We derive an asymptotic theory of nonparametric estimation for an nonlinear transfer function model Z(t) = f (Xt) + Wt …