Studies initiated include those that have centered on affordable housing, including permanent supportive housing, and homelessness in California. Some have also focused on homelessness in the United States.

Surveys have mainly focused on homelessness. He has helped shaped survey questions for ongoing homelessness counts that are required by the U. S. Department of Housing and Urban Development (HUD) of all Continuum of Care jurisdictions that receive Continuum of Care funds from HUD to prevent and end homelessness. These questions are asked of persons who are living unsheltered.

Recent survey questions that he has helped shaped have focused on discharge from prisons and jails, health conditions, and first-time homelessness. He has helped generate several studies and reports based on the results of survey questions.

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