Assertion: oligopoly | /r/HasProperty | buffered by significant barriers
Facets:
value: often
type: TEMPORAL
value: to entry
type: TRANSITIVE-OBJECT
Source sentences:
text: Oligopolies are often buffered by significant barriers to entry, which enable the oligopolists to earn sustained profits over long periods of time.
text: Oligopolies are often buffered by significant barriers to entry, which enable the oligopolists to earn sustained profits over long periods of time.