Sunstein, Cass2014-10-061997Cass Sunstein, A Note on “Voluntary” Versus “Involuntary” Risks, 8 Duke Envtl. L. & Pol'y F. 173 (1997).1064-3958http://nrs.harvard.edu/urn-3:HUL.InstRepos:13015048en-USJournal Article2014-10-06