Impact of Social and Institutional Indicators on the Homicide Rate in Ecuador: An Analysis Using Advanced Time Series Techniques

As homicide rates spike across the United States, researchers nominate diverse causes such as temperature, city greenness, structural racism, inequality, poverty, and more. While variation in homicide rates clearly result from multiple causes, many correlation studies lack systematic theory needed to identify the underlying factors that structure individual motivations. Building on pioneering work in evolutionary human sciences, we propose that when resources are unequally distributed, individuals may have incentives to undertake high-risk activities, including lethal violence, in order to secure material and social capital. Here we evaluate this theory by analyzing federal data on homicide rates, poverty, and income inequality across all 50 U.S. states for the years 1990, 2000, and 2005 to 2020. Supporting predictions derived from evolutionary social sciences, we find that the interaction of poverty (scarcity) and inequality (unequal distribution) best explains variation in U.S. homicide rates. Results suggest that the increase in homicide rates during the height of the COVID-19 pandemic are driven in part by these same underlying causes that structure homicide rates across the U.S. over the last 30 years. We suggest these results provide compelling evidence to expand strategies for reducing homicide rates by dismantling structures that generate and concentrate sustained poverty and economic inequality.

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Impact of Social and Institutional Indicators on the Homicide Rate in Ecuador: An Analysis Using Advanced Time Series Techniques

Cited by 3 publications

References 86 publications

Asymmetric Impact of Pandemic Uncertainty on Drug Crimes: A Comparative Analysis

Asymmetric Impact of Pandemic Uncertainty on Drug Crimes: A Comparative Analysis

Impact of oil price, economic globalization, and inflation on economic output: Evidence from Latin American oil-producing countries using the quantile-on-quantile approach

US homicide rates increase when resources are scarce and unequally distributed

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