May 2004
IZA DP No. 1137: Fairness, Reciprocity, and Wage Rigidity
published in: H. Gintis et al. (eds), Moral Sentiments and Material Interests: The Foundations of Cooperation in Economic Life, Cambridge: MIT Press 2005; P. Diamond & H. Vartianen (eds), Behavioral Economics and Its Applications, Princeton University Press, 2007