 Discussions on the overall issue of risk acceptance can be found in Macpherson (2008), Hansson (2013) and Oberdick (2014). Justice in risk impositions is discussed in Ferretti 2010 and Heyward &amp; Roser 2016. Issues of rights and risks are discussed in Thomson 1986 and, with a particular emphasis on responsibilities, in Kermisch 2012 and van de Poel, et al. 2012.