The short arm of guilt – An experiment on group identity and guilt aversion

z-Tree: Zurich toolbox for ready-made economic experiments

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Social psychology: handbook of basic principles

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Social categorization and intergroup behaviour

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A theory of reciprocity

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A theory of sequential reciprocity

Martin Dufwenberg, Georg Kirchsteiger · Games and Economic Behavior · 2003 · 1.9K citations · Full text

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