Economical in terms of the goods or services received for the money spent.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cost-effective" in a sentence
"It is assumed that business, by virtue of the fiercely competitive marketplace in which it operates, understands the notion of cost-effective changes in providing profitable goods and services."
"Rep. Dan Lungren R-Calif., chairman of the Committee on House Administration, announced last month that the program would be suspended indefinitely, contending that "it is neither cost-effective nor energy-efficient.""
"Either motorists should be able to keep the money, or it should at least go to more cost-effective uses."