Some recent research indicates that the occurrence of indeterminacy in models with externalities may be overstated because these models ignore agents' heterogeneity. We consider a neoclassical two-sector growth model with technological externalities. Agents are heterogeneous with respect to...

In this paper, the authors introduce consumption externalities as developed by K. Arrow in overlapping-generations economies. They show how the internalization of externalities--through exchanges at markets for externalities--may give rise to new phenomena such as altered stability properties...