Until the 1980s, the dominant academic explanation for this condition was disa  liation theory, until it was supplanted by displacement theory.
In 2005, FEANTSA (fee-ahnt-sa) developed the ETHOS ("ethos") typology in order to standardize the de nition of this condition throughout the European Union. A book by Peter Rossi traces the demographic shi t of Americans with this condition from primarily older white men before World War II to a younger and more diverse group a ter it. Until the 1980s, the dominant academic explanation for this condition was disa  liation theory, until it was supplanted by displacement theory. In the United States, the McKinney-Vento act provides federal money for people with this condition, who are the subject of Elliot Liebow's ethnography Tell Them Who I Am. San Francisco mayor Art Agnos popularized the term "compassion fatigue" to describe the gradual desensitization towards people with this condition. Communities use point-in-time counts to estimate the number of people with this condition, who are o ten victimized by sweeps of their encampments. For 10 points, name this condition in which a person does not have a stable residence.
In 2005, FEANTSA (fee-ahnt-sa) developed the ETHOS ("ethos") typology in order to standardize the de nition of this condition throughout the European Union.
homelessness [or being homeless; or living on the streets; or any indication that someone does not have a stable home]