Introduction / Herman E. Daly and Kenneth N. Townsend -- Introduction to Essays toward a steady-state economy / Herman E. Daly -- I. Ecology : ultimate means and biophysical constraints. Introduction / Herman E. Daly and Kenneth N. Townsend -- Why isn't everyone as scared as we are? / Paul R....

Production often causes pollution as a by-product. Once pollution problems become too severe, regulation is introduced by political authorities which forces the economy to make a transition to cleaner production processes. We model this transition as a change in "general purpose technology"...