cost-effective
adjective
- Returning a benefit that justifies the initial investment; economical.
Wiktionary
adj
- Returning a benefit that justifies the initial investment; economical.
“"Secondly, we have to find more cost-effective ways of electrifying. And we've had a real breakthrough in the last couple of years in terms of bridge clearances and immunisation, meaning we've been able to take hundreds of millions of pounds off the cost of electrification.”