4,014 research outputs found
Cooperation and Wealth
No full textWe calculate the equilibrium fraction of cooperators in a population in which payoffs accrue from playing a single-shot prisoner’s dilemma game. Individuals who are hardwired as cooperators or defectors are randomly matched into pairs, and cooperators are able to perfectly find out the type of a partner to a game by incurring a recognition cost. We show that the equilibrium fraction of cooperators relates negatively to the population’s level of wealth.Equilibrium fraction of cooperators, Population's level of wealth, Single-shot prisoner's dilemma game
Malcolm Stark Correspondence
No full textEntries include typed correspondence on The Camden Herald Publishing Company stationery concerning the whereabouts of Mr. Stark, a handwritten letter from Stark on plain paper, and a typed letter on receipt of the Maine poet\u27s book Way Out and Close About for the Maine Author Collection
Inequality and Migration: A Behavioral Link
No full textWe provide an analytical-behavioral explanation for the observed positive relationship between income inequality, as measured by the Gini coefficient, and the incentive to migrate. We show that a higher total relative deprivation of a population leads to a stronger incentive to engage in migration for a given level of a population’s income; that total relative deprivation is positively related to the Gini coefficient; and that, consequently, the Gini coefficient and migration are positively correlated, holding the population’s income constant.Income inequality, Relative deprivation, The Gini coefficient, The incentive to migrate
Alexithymia and script-driven emotional imagery in healthy female subjects: no support for deficiencies in imagination
No full textBausch, S., Stingl, M., Hartmann, L. C., Leibing, E., Leichsenring, F., Kruse, J., Stark, R. & Leweke, F. (2011). Alexithymia and script-driven emotional imagery in healthy female subjects: no support for deficiencies in imagination. Scandinavian Journal of Psychology 52, 179-184. Alexithymia is associated with a limited access to inner emotional processes. Furthermore, alexithymia is assumed to be characterized by a limited ability to use imagination. To evaluate the frequently proposed thesis of a reduced imagination ability in alexithymic persons, 25 high and 24 low alexithymic women self-rated their imagination ability. Furthermore, the electrodermal activity (EDA) during script-driven emotional imagination was determined and valence, arousal, and vividness of the respective imaginations were rated. Our results indicate no significant differences between high and low alexithymic women in the self-rated imagination ability, the EDA during imagination and the ratings of valence, arousal and vividness. The study provides evidence that healthy high alexithymic women are capable of differentiated emotional imagination
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