Grupp, Hariolf - In: Journal of Economics and Statistics (Jahrbuecher fuer … 219 (1999) 5+6, pp. 611-631
This paper presents a scoping investigation of environment-friendly innovation, price and policy signals in Germany …. The variables for sustainable innovation (special patent indicators) and for rational expectations (real crude oil import … to shed some light on the issue whether price signals spur innovation processes in the long run and how, in the short run …