share: digg facebook twitter Economists think some of the missing workers have retired, have entered college or are getting by on government disability checks. "A small work force means millions of discouraged workers, lower output in the future and a weak recovery," says Rep. Kevin Brady of Texas, the ranking Republican on the Congress' Joint Economic Committee. [...] you're no longer part of the labor force. Since November, the number of Americans counted as employed has grown by 765,000, to just shy of 139 million. Normally after a recession, an improving economy lures job seekers back into the labor market. A majority of the 42 economists in the latest Associated Press quarterly economic survey said they expect the labor force participation rate to start growing consistently before the year ends. John Bound, a University of Michigan economist, suspects the long-term decline in men's participation is due partly to a drop in job opportunities for workers with few skills. Some who have left the job market are getting by on government checks, particularly Social Security's program for the disabled More than 8.3 million Americans were on Social Security disability last month, up 1.2 million, or 17 percent, from the end of 2007.