Well known/ well-known



Can someone help me with issue regarding 'well known'/ 'well-known'?
If you spot other mistakes, please let me know.

"In this paper, three well known macroeconomic theories will be presented in order to develop a structural growth model that helps discern the effects of infrastructure on economic growth."
  • entangledbank

    Senior Member
    English - South-East England
    The usual convention is to write it with a hyphen when it's attributive (precedes a noun), and as two words when it's predicative (follows a verb):

    these well-known theories
    These theories are well known.

    But this is only a convention, and there's nothing wrong with writing it any way anywhere.
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