Solidarity in choosing a location on a cycle

We study the implications of two solidarity conditions on the efficient location of a public good on a cycle, when agents have single-peaked, symmetric preferences. Both conditions require that when circumstances change, the agents not responsible for the change should all be affected in the same direction: either they all gain or they all loose. The first condition, population-monotonicity, applies to arrival or departure of one agent. The second, replacement-domination, applies to changes in the preferences of one agent. Unfortunately, no Pareto-efficient solution satisfies any of these properties. However, if agents’ preferred points are restricted to the vertices of a small regular polygon inscribed in the circle, solutions exist. We characterize them as a class of efficient priority rules.     

The minimal overlap rule revisited

This paper provides an analysis of the Minimal Overlap Rule, a solution for bankruptcy problems introduced by O’Neill (1982). We point out that this rule can be understood as a composition of Ibn Ezra’s proposal and the recommendation given by the Constrained Equal Loss Rule. Following an interpretation of bankruptcy problems in terms of TU games, we show that the Minimal Overlap Value is the unique solution for bankruptcy games which satisfies Anonymity and Core Transition Responsiveness.     

Brief des neuen DGS-Vorsitzenden anlässlich des schon etwas zurückliegenden Beginns seiner Amtszeit

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Soziologisches Denken

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Staples,links, and poles in the construction of regional development theories

The developmental trajectories of extractive economies differ systematically from those of industrial economies. Analysis of these differences is difficult, because the specific characteristics and location in space of particular extracted resources distinguish extractive economies from each other far more than commodities produced and location distinguish industrial economies. The peculiar distoritions of Harold Innis's studies of particular staples as these were incorporated into general statements about regional economic development illustrate some of the tensions between ideographic and nomothetic goals in the analysis of regional economies and the dangers of resolving these tensions by collapsing the particular into the general. Subsequent use of these regional economic development models to obscure problems of particular resource extractive projects illuminates some of the unintended practical consequences of theoretical errors.     

“Sugar and Spice But Not Always Nice”: Gender Socialization and its Impact on Development and Maintenance of Aggression in Adolescent Girls

Aggression in girls is a problem that is gaining increased attention. The indirect forms of relational aggression historically used by girls to harm their victims are increasingly escalating into physical altercations. An understanding of the interplay between the developmental and contextual factors that contribute to learned aggression in girls is needed to inform program development that truly responds to the unique gender socialization of girls. This article examines parental, environmental, and peer factors for their contributions to the development of girls’ aggression. Implications for program development that teaches girls and their families alternative ways of expressing their needs and protecting themselves from harm is discussed.     

A direct derivation of the REML likelihood function

The original derivation of the widely cited form of the REML likelihood function for mixed linear models is difficult and indirect. This paper derives it directly using familiar operations with matrices and determinants.