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Proportionality, Constraint, And Culpability, Mitchell N. Berman

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Philosophers of criminal punishment widely agree that criminal punishment should be “proportional” to the “seriousness” of the offense. But this apparent consensus is only superficial, masking significant dissensus below the surface. Proposed proportionality principles differ on several distinct dimensions, including: (1) regarding which offense or offender properties determine offense “seriousness” and thus constitute a proportionality relatum; (2) regarding whether punishment is objectionably disproportionate only when excessively severe, or also when excessively lenient; and (3) regarding whether the principle can deliver absolute (“cardinal”) judgments, or only comparative (“ordinal”) ones. This essay proposes that these differences cannot be successfully adjudicated, and one …