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he results show that a 1 standard deviation increase in the fintech development level has a significant association with a 0.39 standard deviation decrease in thefts’ density. Robustness checks and instrumental variable estimation support the main results. Further, the development of fintech reduces the density of thefts by reducing residents’ cash holding and providing more job opportunities. Finally, we utilized a nationally representative household survey to estimate the cost of theft for households, finding that victims suffer from more mental health problems, increasing their health expenditure. Our results suggest an unexpected source of welfare gain from the development of fintech: an improvement in public security.
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