Being an only child and children’s prosocial behaviors: evidence from rural China and the role of parenting styles

Abstract

Abstract Are only children little emperors and more selfish than children with siblings? Drawing on data from the National Children’s Study of China, this research investigates the causal relationship between being an only child and the performance of prosocial behaviors. Results indicate that only children tend to show more prosocial tendencies than their counterparts with siblings, particularly with respect to trait-related, relational, and altruistic prosocial behaviors. In addition, the results are robust having accounted for potential biases due to endogeneity, sex selection preferences, and educational choices. Smaller children are also more sensitive to the status of being an only child. The investigation into why only children might exhibit more prosocial behavior suggests that only children perceive more positive parenting styles compared to their peers with siblings. The findings are consistent with the quantity–quality trade-off theory and present evidence about the formation of prosocial behaviors before the age of 15, challenging the stereotype that only children are more selfish than those with siblings.

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