Is 2+2 = 4 ?

A company was hiring a financial analyst. There were three candidates:
The first was a mathematician. The interviewer asked, “What is 2 + 2?”. The candidate looked extremely puzzled, but answered “Four”. The interviewer asked, “Is that it?” The candidate, again looking puzzled, replied, “What else could it be?”. The interviewer thanked the candidate and showed him out.
Next was a finance grad. The interviewer asked, “What is 2 + 2?”. The candidate explained, “The mean is four, but you can get a variation around the mean.” The interviewer thanked the candidate and showed him out.
The last was an economist. The interviewer asked, “What is 2 + 2?”. The candidate gets up from the chair, walks behind the interviewer’s desk to close the blinds, slides his chair around the desk, sits close to the interviewer, leans over and asks, “What do you want it to be?”

The True Economist