CGHE members span the University of Michigan and the globe, including faculty experts, research collaborators, scholars, and community partners. Search for Members with Keywords, Sponsors, Locations, or Categories + Margaret (Maggie) Levenstein, PhD, MA Economic behavior and methodology in regards to health care supply chains Sherri Sheinfeld Gorin, PhD, FSBM Implications of inequities, particularly among ethnic and racial subgroups James Wagner, PhD Survey research, adaptive survey design, sampling rare populations