NY Magazine has an interesting piece on some rather unique economic indicators:

In New York, we have our own economic indicators, often based on the degree to which people are being thwarted by the lack of opportunity. An old standby is the Overeducated Cabbie Index. The Squeegee Man Apparition Index is another good one. There’s also the Speed at Which Contractors Return Calls Index: within 24 hours, you’re in a recession; if they call you without prompting, that’s a depression.

NY Mag