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Self-selection and variations in the laboratory measurement of other-regarding preferences across subject pools: evidence from one college student and two adult samples |
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| Authors: | Jon Anderson Stephen V. Burks Jeffrey Carpenter Lorenz Götte Karsten Maurer Daniele Nosenzo Ruth Potter Kim Rocha Aldo Rustichini |
| Affiliation: | 1. Division of Science and Mathematics, University of Minnesota Morris, 600 East 4th Street, Morris, MN, 56267, USA 2. Division of Social Science, University of Minnesota Morris, 600 East 4th Street, Morris, MN, 56267, USA 3. IZA, P.O. Box 7240, 53027, Bonn, Germany 4. CeDEx, University of Nottingham, University Park, Nottingham, NG7 2RD, UK 5. Department of Economics, Middlebury College, Warner Hall, 303 College Street, Middlebury, VT, 05753, USA 6. Faculty of Business and Economics, University of Lausanne, Internef, 1015, Lausanne, Switzerland 7. Department of Statistics, Iowa State University, Snedecor Hall, Ames, IA, 50012, USA 8. School of Economics, University of Nottingham, University Park, Nottingham, NG7 2RD, UK 9. CeDEx, University of Nottingham, University Park, Nottingham, NG7 2RD, UK 10. Department of Economics, University of Minnesota, Twin Cities, 4-101 Hanson Hall, 1925 4th Street S, Minneapolis, MN, 55455, USA 11. Faculty of Economics, University of Cambridge, Sidgwick Avenue, Cambridge, CB3 9DD, UK |
| Abstract: | We measure the other-regarding behavior in samples from three related populations in the upper Midwest of the United States: college students, non-student adults from the community surrounding the college, and adult trainee truckers in a residential training program. The use of typical experimental economics recruitment procedures made the first two groups substantially self-selected. Because the context reduced the opportunity cost of participating dramatically, 91 % of the adult trainees solicited participated, leaving little scope for self-selection in this sample. We find no differences in the elicited other-regarding preferences between the self-selected adults and the adult trainees, suggesting that selection is unlikely to bias inferences about the prevalence of other-regarding preferences among non-student adult subjects. Our data also reject the more specific hypothesis that approval-seeking subjects are the ones most likely to select into experiments. Finally, we observe a large difference between self-selected college students and self-selected adults: the students appear considerably less pro-social. |
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