Using coloured bins can be a fast and cost-effective system.

The evidence - rather than political rhetoric - suggests that the NHS is a good and cost-effective system.

The old psychoanalytic model is obsolete, replaced by a more cost-effective system.

They produce highly efficient and cost-effective systems for the removal of:

Hot water systems are the most popular and cost-effective systems for cold climates.

The question is, can we have a more cost-effective system for building housing?

One team decided to produce a much smaller and more cost-effective system built entirely with transistors.

The system was, and still is, extremely popular, and cost-effective.

Would it not be unreasonable to discourage developing countries from employing modern, efficient, cost-effective and humane systems of animal husbandry?

The proposal will result in less paperwork for farmers and a more cost-effective system for administration by national governments.