One reason is that seasonal adjustment is tricky in such countries where the shift from agriculture to industry changes the pattern of seasonality over time, says Mr Kroeber.

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That could be the reason that even though the adjustment would be a wash on the federal return it might make a big difference to a particular state.

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The attitude adjustment that Tuck cited was not the only reason for the Giants' turnaround.

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Officials at some schools are asking accepted applicants who haven't said yes or no if "there are financial issues within reason where we can make an adjustment, " he said.

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The main reason for the industry's lucrative adjustment: big shows at steep prices.

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Marc will admit that he was caught in the same mindset, but the reason he is still in the trading business is that he eventually made the adjustment to learn how to identify strategic shorts and hedging techniques.

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