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Q31028181-F3C49E46-A771-4D27-BF5A-2A2669C3BFEE
Q31028181-F3C49E46-A771-4D27-BF5A-2A2669C3BFEE
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Statement
http://www.wikidata.org/entity/statement/Q31028181-F3C49E46-A771-4D27-BF5A-2A2669C3BFEE
Social transmission and the spread of modern contraception in rural Ethiopia
P2860
Q31028181-F3C49E46-A771-4D27-BF5A-2A2669C3BFEE
BestRank
Statement
http://www.wikidata.org/entity/statement/Q31028181-F3C49E46-A771-4D27-BF5A-2A2669C3BFEE
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430cbf51e9fc217ea4753bb17b733e16018b08b6
P2860
Indirect reciprocity can stabilize cooperation without the second-order free rider problem.