Low-cost.
Another word would be economic.
Thrifty
There are differences in the way economic and economical is used. Economic refers to the economy and finances while economical describes a thrifty person.
least expensivemost economical
Economic = to do with money Economical = something that is money-saving
economic obsolescence
That is the correct spelling of the adjective "economic."
"I have recently pursued a more '''economic''''''al''' approach to budgeting, due to the recession." Definition of '''economical''': avoiding waste or extravagance. As in 'Buy two, get one free!' The Spanish language is more economical than the English language. .
what is the definition of economic changes
Recession
both are economical changes or scaling up.
"economical" has no comparative or superlative form. You would say "more economical" or "most economical."