One funny economist has developed the so- called Hot Waitress Index, under the theory that attractive people land great jobs in sales when there are jobs in sales. However, when the economy contracts, these people trade down to waiting tables.
Usually when the economy turns sour, restaurants start reducing the numbers of workers. They slowly let the boys go, then the less attractive girls and then these hot girls appeared out of nowhere.
Hot people will migrate back to better jobs sooner than not-so-hot workers. Therefore, when you see the hot waitress go, it is time to feel good, not bad because it suggests that the economy is probably rebounding.
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Another economic indicator: Men's underwear