Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Nevoia de a evalua costurile social economice si beneficile proiectelor majore este de asemenea...
Explanation: You can't use the word, "necesitatea" if you want to be as near as possible to the meaning.
"Necesitatea" means "the necessity"
"Need" means "a avea nevoie" (verb)
"The need" means "nevoia" (de ceva sau de a face, intreprinde ceva).
"Nevoia" is the correct word to use in the context of your phrase.