This is a recent but undated image made available in London, Monday Oct. 11, 2010, by the London School of Economics of Prof. Christopher Pissarides, who along with two Americans, Peter Diamond, Dale ... more 
This is a recent but undated image made available in London, Monday Oct. 11, 2010, by the London School of Economics of Prof. Christopher Pissarides, who along with two Americans, Peter Diamond, Dale Mortensen, has been awarded the 2010 Nobel economics prize for developing a theory that helps explain why a lot of people can remain unemployed despite a large number of job vacancies. The three men were honored for their analysis of the friction involved when buyers and sellers are paired up in markets. Diamond analyzed the foundations of so-called search markets, while Mortensen and Pissarides expanded the theory and applied it to the labor market. less 
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Associated Press | Photo By Nigel Stead, London School of Economics, ho
Wed, Oct 13, 2010 9:41 PM EDT