The preternaturally smart Sally says over in Brad DeLong's comments regarding this article:
Dr. Pangloss forgot an essential ingredient in his whimsical economic cocktail: being compelled to wear a smile and whistle depression-era tunes like "Life is Just a Bowl of Cherries" and "We're in the Money."
I'm sure Professor Delong's preternatually bright nine-year-old would see through this nonsense in a flash.
"Dad, dad, can I ask you a question?"
"Yes."
"I read that article in the Wall Street Journal you recommended and there's something I don't understand."
"What's that?"
"If I own three factories and only have sufficient orders for two of them, why would I want to build a fourth?"