This paper examines the representation and explicit description of social welfare orders on infinite utility streams. It is assumed that the social welfare orders under investigation satisfy upper asymptotic Pareto and anonymity axioms. We prove that there exists no real-valued representation of...

This paper studies the nature (representation and construction) of social welfare orders on infinite utility streams, satisfying strong equity and anonymity. We show: 1) there does not exist a social welfare function satisfying the axioms of Anonymity, Monotonicity and Strong Equity for every...

We study the nature (i.e., constructive as opposed to non-constructive) of social welfare orders on infinite utility streams, and their representability by means of real-valued functions. We assume finite anonymity and introduce a new efficiency concept we refer to as asymptotic density-one...

We propose an extended version of Gini index defined on the set of infinite utility streams, $X=Y^\N$ where $Y\subset \R$.For $Y$ containing at most finitely many elements, the index satisfies the generalized Pigou-Dalton transfer principles in addition to the anonymity axiom

We consider a standard one-agent decision-making problem under risk and we address the following question: under what conditions is utility maximization equivalent to 'risk' minimization, where the measure of risk used by the decision-maker is a conservative coherent risk measure?