Americans Alvin Roth and Lloyd Shapley have the Nobel economics prize.

The Royal Swedish Academy of Sciences cited the two economists for “the theory of stable allocations and the practice of market design.”

The Nobel Memorial Prize in Economic Sciences was the last of the 2012 Nobel awards to be announced.

Recent winners of Nobel economics prize

It’s not technically a Nobel Prize, because unlike the five other awards it wasn’t established in the will of Alfred Nobel, a Swedish industrialist also known for inventing dynamite.

The economics prize was created by the Swedish central bank in Nobel’s memory in 1968, and has been handed out with the other prizes ever since. Each award is worth 8 million Swedish kronor, or about $1.2 million.

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Recent winners of Nobel economics prize October 15, 2012

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