[claymmm]

The diet pill example ("Oomph" and "Precision") from the Ziliak and McCloskey's book really made it clear for me:

http://books.google.com/books?id=JWLIRr_ROgAC&lpg=PA25&#...

[claymmm]

BTW, I actually read the book. It's alright but really repetitive after the first couple of chapters. McCloskey overwrites as usual.