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Christian Traxler and Johannes Rincke, "Enforcement Spillovers," Review of Economics and Statistics 93, 1224-1234 (2011).

Christian Traxler and Mathias Spichtig, "Social Norms and the Evolution of Conditional Cooperation," Journal of Economics 102 (2), 237-262 (2011).

Carl Christian von Weizsäcker, "Antworten an Helmstädter und Neuthinger – Eine Erwiderung," Wirtschaftsdienst, Zeitschrift für Wirtschaftspolitik 91, 494-495 (2011).

C. Wrzus, J. Wagner, Anna Baumert, F. J. Neyer, and F. R. Lang, "Adult parent-child relationships through the lens of social relations analyses: Prosocial personality and reciprocity of support," European Journal of Personality 25, 133-145 (2011).

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Christoph Engel, "Competition as a Socially Desirable Dilemma Theory vs. Experimental Evidence", in Competition Policy and the Economics Approach, edited by Josef Drexl and Wolfgang Kerber (2011), pp. 245-269.

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