Frequently we even go so far as to assume linear relationships. Only in this way have we been able to feed our problems into the electronic computers and get mechanical answers quickly and at low cost. Ragnar Frisch
The tools used by economists to analyze business firms are too abstract and speculative to offer any guidance to entrepreneurs and managers in their constant struggle to bring novel products to consumers at low cost. Ronald Coase
Recycling is an area where jobs could be created at low cost. Green collar workers. That's not very sexy. Geoff Mulgan
There's no reason for Gillette to be world class on the web, but there's every reason for Gillette to be world class in producing billions of high powered razor blades at low cost. James Collins