Those gifts you opened this morning -- they're worth less to you than the gift-giver paid for them, no doubt. That's the deadweight loss of Christmas for you. But plenty of economists are saying "bah, humbug" to economic rationality and…

Thanks to recent financial scandals and fraud, public trust in the financial industry is low. But a new study published in the journal Nature shows that bankers, themselves, aren't dishonest people; the industry makes them behave dishonestly. What is it…

Days before Halloween, the price of cocoa, and therefore chocolate bars, is up. But Ebola isn't actually threatening the cocoa supply in West Africa, says commodities trader David Martin. Instead, the market is reacting to human fears, and for traders…

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