Assertion: economist | /r/HasProperty | expert
Facets:
Source sentences:
text: An economist is an expert who studies the relationship between a society's resources and its production or output.
text: An economist is an expert who studies the relationship between a society's resources and its production or output, using a number of different indicators, in order to predict future trends.
text: An economist is an expert who will know tomorrow why the things he predicted yesterday didn’t happen today.