Because a person has to be either working or looking for work to be counted as part of the labor force, an increase in the number of people too discouraged to continue their search for work would reduce the unemployment rate, all else being equal - but not for a positive reason. Ben Bernanke Positive
Many foreclosed homes are neglected or abandoned, as legal proceedings or other factors delay their resale. Deteriorating or vacant properties can, in turn, directly affect the quality of life in a neighborhood, for example, by leading to increases in vandalism or crime. Ben Bernanke Legal
The lesson of history is that you do not get a sustained economic recovery as long as the financial system is in crisis. Ben Bernanke History