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For example, When I want to give a name to my essay

the names are "

a) Study of consumption economy

b) A Study of consumption economy

c) Research of consumption economy

b) A research of consumption economy

Question:

(1) What confuse me is that I don't know whether I should use the word"study" or "research"

(2) Generally speaking, Is the article "A" used properly here?

Thank you!
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As an essay title, only B sound good to me. In other situations, research collocates with on: research on. Study in this kind of use is countable; research is not.
Comments  
Thank you!