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Axiomatic modelling of notion of compromise in social choice theory

In this paper we will define axioms of social choice theory: Weak compromise axiom (WCA) and Strong compromise axiom (SCA). We will show that both axioms are well defined. We will provide a criterion which positional scoring social choice function must satisfy in order to satisfy WCA (SCA). Furthermore, we will show that axioms WCA and SCA are independent of other established axioms of the social choice theory: namely, Pareto axiom (PA) and positive responsiveness axiom (PRA).

social choice theory, axiom, compromise

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