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Option 1: Eric S. Maskin
Option 2: Roger B. Myerson
Option 3: Hu Jintao
Option 4: Leonid Hurwicz
The question asks about the winners of the Nobel Prize for Economics in 2007.
Option 1 and Option 2, Eric S. Maskin and Roger B. Myerson, were both economists who won the Nobel Prize in Economics in 2007 for their contributions to the field of mechanism design theory. Therefore, Option 1 is correct.
Option 3, Hu Jintao, is the former President of China and not an economist. Therefore, Option 3 is incorrect.
Option 4, Leonid Hurwicz, was also an economist who won the Nobel Prize in Economics in 2007, along with Eric S. Maskin and Roger B. Myerson, for his pioneering work on the theory of mechanisms. Therefore, Option 4 is correct.
Therefore, the correct answer is Option 3 - 1, 2, and 4, as Eric S. Maskin, Roger B. Myerson, and Leonid Hurwicz were the winners of the Nobel Prize for Economics in 2007.