Henrik Andersson is a postdoc at Lund University. His research has had a focus on value theory and especially the phenomenon of value incommensurability. In his current research project, he applies recent results from value theory in order to address the hard choices we face when we aim to combat climate change.Anders Herlitz is a researcher at the Institute for Futures Studies in Stockholm. His research focuses on comparability problems and rational choice, especially in relation to distributive theory. He is currently working on a monograph addressing how to distribute scarce health resources.

• Introduction Henrik Andersson and Anders HerlitzPart I: Accounts of Incommensurability1. Incommensurability is Vagueness John Broome2. Are Hard Cases Vague Cases? Ruth Chang3. Parity without Imprecise EqualityChrisoula AndreouPart II: Incommensurability and Ethical Theory4. On "Incommensurability,"Discontinuity," and the Repugnant Conclusion: "Imprecise Equality" or Vagueness? Mozaffar Qizilbash5. Spectrum Arguments, Indeterminacy, and Value Superiority Henrik Andersson6. Incommensurability and Vagueness in Population Axiology Gustaf ArrheniusPart III: Incommensurability and Decision Theory7. Nondeterminacy and Reasonable Choice Anders Herlitz8. Cross-Categorical Value Comparisons Krister Bykvist9. What Does Incommensurability Tell Us about Agency? Luke ElsonPart IV: Incommensurability, Risk and Uncertainty10. Incommensurability Meets Risk Wlodek Rabinowicz11. Incommensurability That Can(not) Be ignored Katie Steele12. Hard Choices Made Harder Ryan Doody