Minor Paycheck Delays Linked to Higher Intimate Partner Violence Risk

Researchers examined the semi-monthly payroll system common in the U.S. private sector, in which wages are paid on the 15th and the last day of each month. When a payday falls on a weekend or holiday, employers issue the check early, lengthening the subsequent pay period. Because the timing of these shifts is random, they serve as an objective measure of brief liquidity stress. Using the National Crime Victimization Survey (1995-2019), the authors analyzed 3,545,586 observations from 221,436 women in couples where at least one partner worked privately-sector jobs.

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The study, “Overstretched: Financial distress and intimate partner violence in the U.S.,” was authored by Olivia Masi, a postdoctoral researcher at Aalto University and research fellow at the AXA Gender Lab (Bocconi University), and Chiara Santantonio, lecturer at the University of Bath. It was published in the *Journal of Health Economics*.

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• One additional day of “stretch” raises the relative probability of intimate partner violence (IPV) by roughly 20 % compared with months without stretch.

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• The effect is strongest when the elongated pay period occurs at month-end, aligning with typical bill due dates.

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• Households earning < $25,000 annually and those with children experience markedly higher risk.

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• Violence spikes when both partners are employed in the private sector; no significant effect appears when only one partner works privately.

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During stretched periods, families cut spending on instant-consumption items (e.g., restaurant meals, leisure) and spend about two extra minutes per day researching prices. Parents also spend more time with children, suggesting a reallocation of household duties. Analyses of other crime data show no concurrent rise in offenses, nor increased alcohol or tobacco purchases, indicating the IPV increase is not driven by broader crime or substance-use spikes.

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Even modest, recurrent liquidity shocks can translate into meaningful social costs because the risk increase, though small in absolute terms, affects a large population repeatedly. The findings imply that policies enhancing payment regularity, providing short-term liquidity tools, or offering timely emergency support could mitigate IPV risk alongside traditional economic benefits.

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The authors argue that short-term financial pressure is a distinct factor that can aggravate household dynamics and elevate IPV risk, especially for already vulnerable families. They emphasize that the timing and predictability of money matter for family stress, and that interventions targeting these dimensions may improve both material well-being and safety. While acknowledging that financial distress is not the sole cause of IPV, they contend that reducing such stress could lessen the frequency of violence in fragile situations.

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• The survey data do not identify individual pay-date schedules; estimates reflect an intent-to-treat approach based on private-sector employment.

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• Researchers caution that the results should not be interpreted as proving financial strain is the primary driver of IPV.

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• No evidence was found of increased other crimes or substance use during stretch periods, but the study cannot rule out unobserved channels.

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• “A large body of research has shown that major financial shocks, such as job loss or recessions, can increase intimate partner violence,” — Olivia Masi & Chiara Santantonio

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• “What surprised us most was that such a small and temporary shock could have a measurable effect,” — Olivia Masi & Chiara Santantonio

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• “In our preferred specification, one additional day of financial ‘stretch’ increases the probability of intimate partner violence by about 20 percent relative to months without distress,” — Olivia Masi & Chiara Santantonio

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• “We would also want to preempt the interpretation that the effect is driven by a general rise in crime or by increased substance use,” — Olivia Masi & Chiara Santantonio

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• “IPV is a complex phenomenon with many determinants. Our contribution is to show that short-term liquidity pressure can be one factor that worsens household dynamics and increases risk.” — Olivia Masi & Chiara Santantonio

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The authors propose extending the analysis to criminal-justice outcomes (e.g., arrests) during stretched periods and testing banking interventions—such as more predictable payroll systems or short-term liquidity products—to assess their potential to reduce IPV incidence. Continued research on how economic organization shapes family dynamics is recommended.

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