Judgment aggregation theory generalizes social choice theory by having the aggregation rule bear on judgments of all kinds instead of barely judgments of preference. The paper briefly sums it up, privileging the variant that formalizes judgment by a logical syntax. The theory derives from...

Under the present civil Sudanese conditions, the country endures many hardships which are manifested in economic retraction, inflation, recession and stagflation. However, those are not the sole reasons for the sporadic conflicts that infest the people. Illegitimate property and economic...

In light of research indicating that individual behavior may violate standard assumptions of rationality, we modify the standard model of preference aggregation to study the case in which neither individual nor collective preferences are required to satisfy transitivity or other coherence...

The dissertation has two aims. First, to explain why normative theories of politics, economics, and group decisions depend on ethics. Second, to refute the view that they need not. This latter view has recently been defended by Rawls, Hampshire, Williams, and Habermas. The view that all such...

The dissertation has two aims. First, to explain why normative theories of politics, economics, and group decisions depend on ethics. Second, to refute the view that they need not. This latter view has recently been defended by Rawls, Hampshire, Williams, and Habermas. The view that all such...

This Chapter elucidates and defends the second premise of the Argument from Claims about Interest-Affecting Normative Requirement. The premise runs: A theory is a normative political theory just in case it claims that a certain set of normative requirements ranges over (a) some actions, or (b)...

It is widely held that under ordinal utility, utility differences are ill-defined. Allegedly, for these to be well-defined (without turning to choice under risk or the like), one should adopt as a new kind of primitive quaternary relations, instead of the traditional binary relations underlying...

This paper shows that, in a partially welfarist framework that permits discounting, per-period social evaluations can be consistent with a timeless social ordering only if social principles lead to the repugnant conclusion. The same result applies if per-period social evaluations are replaced by...

A collective decision problem is described by a set of agents, a profile of single-peaked preferences over the real line and a number k of public facilities to be located. We consider public facilities that do not su¤er from congestion and are non-excludable. We provide a characterization of...