By AMY FORLITI, THE ASSOCIATED PRESS MINNEAPOLIS Leonid Hurwicz, who shared the Nobel Prize in economics last year for developing a theory that helps explain how buyers and sellers can maximize their gains, has died at age 90, a spokesman said Wednesday. Mr.

By Ben Cohen, Star Tribune, Minneapolis Jun. 25--Leonid Hurwicz, who shared the Nobel Prize in economics last year for developing a theory that helps explain how buyers and sellers can maximize their gains, died Tuesday night in Minneapolis.

WASHINGTON - Seven years ago, it was Bush v. Gore. Now, Bush is hosting former Vice President Al Gore at the White House - this time as a Nobel laureate. The president has invited this year's U.S. winners of Nobel prizes to the White House on Nov. 26.

1st LD: U.S. trio win Nobel Prize in economics STOCKHOLM, Oct. 15 (Xinhua) -- Americans Leonid Hurwicz, Eric Maskin and Roger Myerson on Monday shared the 2007 Nobel Prize in economics for laying the foundations of mechanism design theory.

2nd LD: Three Americans share Nobel Prize in economics STOCKHOLM, Oct. 15 (Xinhua) -- The 2007 Nobel Prize in economics was awarded to Leonid Hurwicz, Eric S. Maskin and Roger B.