Some are state sponsored, while others (mainly addiction recovery homes and mental illness homes) are run by "for profit" entities. In criminology the purpose of a halfway house is generally considered to be that of allowing people to begin the process of reintegration with society, while still providing monitoring and support. This type of living arrangement is often believed to reduce the risk of recidivism or relapse when compared to a straight release directly into society.[2][3][4][5]