“Define normal, Clara?” I laughed when I tried to figure out the true definition. “Normal is a function on a washing machine, Alex.” I said seriously.” — Kathryn Morgan Parry Copy Share Image
The danger of tautological propositions is considerable in discussions of the concept of normal profits. Because supernormal profits seem to invite newcomers to an industry and sub-normal profits seem to drive away those who are in an industry, some writers… — Fritz Machlup Copy Share Image