Does all within:
All about economics.
play the role of pronoun?
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Please give the full sentence. – user178049 Jun 9 '19 at 23:11
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I've actually made it up, but there are many book titles that are worded in this same fashion (All About Electronics, All About Gardening,...). – Norbert Jun 9 '19 at 23:22
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I believe it's an elliptical version of "it's all about economics"; in which case, "all" functions as a quantificational adjunct in the clause structure. – user178049 Jun 10 '19 at 1:24
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But in the sentence "everything about economics", everything is a pronoun, and [Webster's ](merriam-webster.com/dictionary/all) lists everything as a synonym of all under the pronoun section. – Norbert Jun 10 '19 at 9:33
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1@Norbert MW is the worst dictionary available. It is years behind current thinking. "All" is undoubtedly a determinative in examples like yours, see here link. And "everything" is a compound determinative, not a pronoun see here link. – BillJ Jun 10 '19 at 17:11
It's all about economics
No, "all" is not a pronoun here, but a determinative. The entirety meaning doesn't apply to "about economics" but to "it". "All about economics" is not a PP (preposition phrase), not a single constituent. The "all" is an adjunct and the PP is just "about economics".
The meaning can be glossed as "It is entirely about economics".
(Note that I have inserted "it's" as subject+verb to enable the sentence to be analysed.)
