That is a pretty damn strong market signal that units of the sort they are renting should include a washer and dryer. (biggerpockets.com)
«The second tax to power generation has a strong market signal effect, because you are adding the cost of negative externalities to the electricity generation,» he explained. (scientificamerican.com)
To rephrase your «pollution / technology» dichotomy, what's needed is both a strong market signal — which comes from a declining cap on emissions — and specific initiatives to hasten the deployment of technology that's ready today and to hasten the development and deployment of tomorrow's technology — which comes from complementary performance standards and directed government investments. (dotearth.blogs.nytimes.com)