Arnold, Lutz G.; Kornprobst, Wolfgang - Wirtschaftswissenschaftliche Fakultät, Universität … - 2006
This paper replaces increasing product variety with quality upgrading in the Romer (1990) model. We show that the range of parameters for which a steady state exists can be divided into two subspaces with well-behaved comparative statics and saddle-point dynamics in one subspace, but with...