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Is There a Hidden Cost of Imposing a Minimum Contribution Level for Public Good Contributions?
Martin Kocher
Peter Martinsson
Emil Persson
Xianghong Wang
出版
Department of Economics, Göteborg University
, 2016
URL
http://books.google.com.hk/books?id=e_zbvQEACAAJ&hl=&source=gbs_api