Connecting big drops in homicide rates and race and ethnicity

A new sociological study finds that homicide rates across different racial and ethnic groups have fallen:

The study revealed that three of the most significant social trends over the past 20 years — mass incarceration, rapid immigration and growing wealth inequality — all contributed to the reduction in the gaps between the white homicide victimization rate and those for blacks and Hispanics.

As a result, the black-white homicide victimization rate gap decreased by 40 percent, the Hispanic-white gap dropped by 55 percent and the black-Hispanic gap shrunk by 35 percent, according to the study to be published Thursday in the April issue of the American Sociological Review…

In fact, the study found that an influx of immigrants actually decreases homicides. “People who decide to come here are not people with strong tendencies toward violent crime,” Light said. “They are coming here for educational opportunities, employment opportunities and opportunities to help their families.”…

The study also showed that the increasing racial/ethnic disparities in incarceration rates were associated with significant reductions in black-white and black-Hispanic homicide victimization rate gaps. However, the authors were quick to caution against drawing the conclusion that even more incarceration would produce even more benefits because the findings have to be viewed in a larger context.

There are several matters of public perception that this study seems to address. Many are not aware of these declines and instead think crime has risen (see earlier posts here and here). Or, how about the data on immigration on crime where higher rates of immigration lead to lower homicide rates? Or, the roughly 35-40 percent decrease in the homicide rates for whites, blacks, and Latinos?

Thinking more broadly, what would it actually take for the American public to change their perceptions about crime? Could this sociology study help convince average Americans that violent crime rates have significantly dropped in recent decades? Would the media have to stop highlighting violent crime? Would the entertainment industry (movies, TV, video games, books, etc.) have to become less violent? Thinking about this particular study, perhaps positive changes to race relations would help…

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