In public goods experiments, stochastic choice, censoring, and motivational heterogeneity allow experimentalists to differ over the extent of unselfishness, and whether it is reciprocal or altruistic. These problems are addressed econometrically by estimating a finite mixture model to isolate types, incorporating the two-limit Tobit model with tremble to accommodate censoring and errors. Most subjects act selfishly, but a substantial proportion are reciprocal with altruism playing only a marginal role. Isolating reciprocators enables a test of Sugden’s model of voluntary contributions, which is rejected because they display a selfserving bias.
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Paper provided by The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham in its series Discussion Papers with number
2005-09.
Find related papers by JEL classification: C1 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General C9 - Mathematical and Quantitative Methods - - Design of Experiments H4 - Public Economics - - Publicly Provided Goods
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Emrah Arbak & Marie-Claire Villeval, 2007.
"Endogenous Leadership Selection and Influence,"
Working Papers
0707, Groupe d'Analyse et de Théorie Economique (GATE), Centre national de la recherche scientifique (CNRS), Université Lyon 2, Ecole Normale Supérieure.
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