Group Size and Incentives to Contribute: A Natural Experiment at Chinese Wikipedia

@article{Zhang2007GroupSA,
  title={Group Size and Incentives to Contribute: A Natural Experiment at Chinese Wikipedia},
  author={Xiaoquan Zhang and Feng Zhu},
  journal={IO: Empirical Studies of Firms & Markets},
  year={2007}
}
The literature of private provision of public goods suggests that incentive to contribute is inversely related to group size. This paper empirically tests this relationship using field data from Chinese Wikipedia, an online encyclopedia. We exploit an exogenous reduction in group size as a result of the blocking of Wikipedia in mainland China and examine whether individual contributions increase after the block as predicted in the literature. Our result indicates the opposite: individual… Expand
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