are trained or able to do, and the kinds of work that are available to them. >> reporter: now, karabell's is hardly the traditional explanation of today's unemployment predicament. >> the real problem is that there's just not enough jobs, not that people are incapable of accepting the jobs that are available. >> reporter: mike konczal of the roosevelt institute insists unemployment is cyclical, not structural-- no growth, no jobs. >> cyclical unemployment is unemployment that's associated with the business cycle, with the comings and goings of how... how strong our economy is. >> reporter: so, argues konczal, just build it-- the economy-- and they will come-- the jobs, that is. >> there are people who are sitting around unemployed, and there are, you know, people who want to open businesses and provide services who could hire them if they had customers. and they don't have customers because so many people are unemployed, and people are afraid of becoming unemployed and they're not spending. >> reporter: ando, all we have to do is spur that process. >> right. >> reporter: with 4.5 applican