incredibley economic growthing
there has no " growthing " found in dictionary. "growth" is a noun. there has no "ing" form of a noun. in the normal circumstance, you can add "ing" to a verb to make a word to verb-ing form or adjective.
It is accepted (I think it's better to use: It is undeniable)
It is accepted is better than it is undeniable in this essay writing, the reason is my position is to support in order to obtain a sense of happiness, i believe economic success is just one of component. I tend to support the factors in my third paragraph. So the word "accept" is medium power to use here. Normally I use " it is undeniable" in the paragraph which represents my position.
would be are
again, I rarely use virtual voice in the paragraph which represents my position. however, I agree with you that "are likely" may not appropriate. probably i can change to " could become"
it is convincing (I recommend to use: I am convinced that)
My writing style is: if possible avoid all "I" or "Our" or "My" in the introduction and conclusion. Therefore, I prefer to use it is convincing.
Thank you for your help. Cheers
xyx0905