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Spiegler's research focuses on criminal justice policy specifically, and democratic theory generally. Overarching themes in his writings include gun violence, gun control laws, and mental illness. Spiegler teaches courses on public policy, public administration, and American political thought at Michigan State University.
In the News
Investigates how homeless shelters in the United States can differ along important dimensions and how these differences affect the fight to end homelessness. Interviews managers from nine different homeless shelters across the United States in an effort to discover new and innovative ways of operating or structuring shelters to best serve those experiencing homelessness.
Examines the relative effectiveness of stricter gun control versus mental healthcare for those in need of it on the number of gun deaths by state in 2012 and 2013. Argues that while stricter gun control laws are associated with fewer gun deaths, access to mental health services has no effect unless paired with stricter gun control laws.
Examines the potential dangers of appointing a sitting elected official to the Cabinet based on historical data from 1913 to 2018. Shows that almost thirty percent of Cabinet secretaries who were elected officials at the time of their appointment left seats that flipped to the other party by the next general election.