# Is there strictly quasiconcave function that is not quasiconcave.

I would like to ask whether there exists a strictly quasiconcave function that is not quasiconcave. I would say that opposite is true. Thank you in advance for help.

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Doesnt Stricly quasiconcave imply that a function is quasiconcave? –  MITjanitor Mar 1 '13 at 18:42
Please define "quasiconcave" and "strictly quasiconcave". Definitions vary in the literature. –  user53153 Mar 2 '13 at 1:13
But, whatever definitions you choose, I would hope that every strictly quasiconcave function is quasiconcave. Maybe the question has the implication reversed ?? Are you actually looking for a qc function that is not strictly qc ? –  bubba Mar 2 '13 at 4:28

Are you the same user who posted the question? If so, please use the flag link to ask for your accounts to be merged. What you posted is not an answer, it should have been a comment or addition to the question. –  user53153 Mar 2 '13 at 15:52