cost-effective |ˈkɔst əˌfɛktɪv| adjectiveeffective or productive in relation to its cost: the most cost-effective way to invest in the stock market.
Cost-effectiveness analysis (CEA) is a form of economic analysis that compares the relative costs and outcomes (effects) of different courses of action. Cost-effectiveness analysis is distinct from cost–benefit analysis, which assigns a monetary value to the measure of effect.