The Calculus of Consent: Logical Foundations of Constitutional Democracy is a book published by economists James M. Buchanan and Gordon Tullock in 1962. It is considered to be one of the classic works
Kenneth Arrow's monograph Social Choice and Individual Values and a theorem within it created modern social choice theory, a rigorous melding of social ethics and voting theory with an economic flavor
The Calculus of Consent
…Appendix 2 Theoretical Forerunners Kenneth Arrow, Social Choice and Individual Values (1963), p. 120 (source for Arrow's defense of transitivity over unanimity…