“…Is there for any population of people with very good lives some much larger population with lives that are barely worth living that is better? So-called "Spectrum Arguments" suggest the answer is Yes, and philosophers have tried to resist this conclusion since the 1980s (e.g., Parfit, 1984Parfit, , 2016Temkin, 1987Temkin, , 2012Norcross, 1997;Rachels, 1998;Broome, 2004;Nebel, 2018Nebel, , 2019Herlitz, 2019). This article examines the proposal that parity can help one refute Spectrum Arguments, shows that this only works if one interprets parity in a specific way, and identifies some consequences of that discovery for the general debate on Spectrum Arguments, value theory and comparability problems.…”