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Efficiency may improve when defectors exist |
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| Authors: | Takako Fujiwara-Greve Masahiro Okuno-Fujiwara Nobue Suzuki |
| Affiliation: | 1. Department of Economics, Keio University, 2-15-45 Mita, Minatoku, Tokyo, 108-8345, Japan 2. Department of Economics, Musashino University, 3-3-3 Ariake, Kotoku, Tokyo, 135-0063, Japan 3. Faculty of Economics, Komazawa University, 1-23-1 Komazawa, Setagayaku, Tokyo, 154-8525, Japan |
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