Are only-children different? Evidence from a lab-in-the-field experiment of the Chinese one-child policy.

PLoS One · 2022 · PMC9642884 · PMID 36346790

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a weakly significant differenceno p-value reported

We found no statistically significant differences in tournament entry decisions among the OCP stages, whereas they found a weakly significant difference in the likelihood to participate in a tournament between subjects born before and after the introduction of the OCP.

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