According to the New York Police Department, some 3, 890 Apple products were stolen in 2012, pushing crime figures up and prompting Mayor Bloomberg to say that thieves in the city were showing a preference for Apple goods.

BBC: Apple store in Paris hit by thieves in heist

After that, the money prices of goods change with great regularity for reasons ranging from consumer preference to productivity enhancements.

FORBES: Scott Sumner, Gold, the Dollar, and Anti-intellectualism