To explore the effects of different incentives on crowdsourcing participation and submission quality, we conduct a field experiment on Taskcn, a large Chinese crowdsourcing site using all-pay auction mechanisms. In our study, we systematically vary the size of the reward, as well as the presence of a soft reserve, or early high-quality submission. We find that a higher reward induces significantly more submissions and submissions of higher quality. In comparison, we find that high-quality users are significantly less likely to enter tasks where a high quality solution has already been submitted, resulting in lower overall quality in subsequent submissions in such soft reserve treatments.
To explore the effects of different incentives on crowdsourcing participation and submission quality, we conduct a field experiment on Taskcn, a large Chinese crowdsourcing site using all-pay auction mechanisms.In our study, we systematically vary the size of the reward, as well as the presence of a soft reserve, or early high-quality submission. We find that a higher reward induces significantly more submissions and submissions of higher quality. In comparison, we find that high-quality users are significantly less likely to enter tasks where a high quality solution has already been submitted, resulting in lower overall quality in subsequent submissions in such soft reserve treatments.
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