英语翻译

英语翻译
Peter Diamond,70,of the Massachusetts Institute of Technology (MIT) in Cambridge; Dale Mortensen,71,of Northwestern University in Evanston,Illinois; and Christopher Pissarides,62,of the London School of Economics will split the $1.5 million prize.Starting in the 1970s they developed,mostly independently,the theory of markets that suffer "search friction," or costs for consumers and suppliers of a good to find one another.Dubbed the "DMP theory" in the economists' honor,it has become the bedrock for the study of labor markets and explains why people are sure to be out of work even when the number of vacant jobs equals the number of job seekers,so-called equilibrium unemployment..这段话中的：the theory of markets that suffer "search friction," or costs for consumers and suppliers of a good to find one another.咋翻译啊,