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抱负与不平等AI 解读

This paper develops a theory of socially determined aspirations, and the interaction of those aspirations with growth and inequality.The interaction is bidirectional: economy-wide outcomes determine individual aspirations, which in turn determine investment incentives and social outcomes.Thus aspirations, income and the distribution of income evolve jointly.When capital stocks lie in some compact set, steady states distributions must exhibit inequality and are typically…

极化：概念、测量与估计AI 解读

We develop the measurement theory of polarization for the case in which income distributions can be described using density functions. The main theorem uniquely characterizes a class of polarization measures that fits into what we call the “identity-alienation” framework, and simultanously satisfies a set of axioms. Second, we provide sample estimators of population polarization indices that can be used to compare polarization across time or entities. Distribution-free…

极化的测量AI 解读

Suppose that the authors are interested in the distribution of a set of characteristics over a population. They study a precise sense in which this distribution can be said to be polarized and provide a theory of measurement. Polarization, as conceptualized here, is closely related to the generation of social tensions, to the possibilities of revolution and revolt, and to the existence of social unrest in general. The authors take special care to distinguish their theory…