Post hoc, ergo propter hoc

On August 2, 2011 by andrei

A classic trap for all of us and especially for economists and marketers.

A happens, then B ==> A causes B

This is something we all need to question from time to time. Especially if we are dealing with complex / real world/ systems such as economies and target markets.

A shelf promotion, a price increase or a new law may all be the reason for changes in market share or profits.

Hope you like the clips (embedding is disabled); they come from two of my favourite shows: The West Wing and Big Bang Theory.

West Wing –>
Big Bang Theory –>

Wikipedia entry

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