California’s Racial and Identity Profiling Act (RIPA) requires detailed reporting on all pedestrian and traffic stops. Recent RIPA data from the state’s largest law enforcement agencies points to a reduction in the overall number of stops—but we do not see a substantial narrowing of racial/ethnic disparities in intrusive experiences during stops.
— Read on www.ppic.org/publication/have-racial-disparities-in-law-enforcement-stops-narrowed/
Have Racial Disparities in Law Enforcement Stops Narrowed? – Public Policy Institute of California
Published
Future of Policing 
Again, we have here an interesting study that is not at all useful in addressing racial disparities because it has its foundation in population demographics. Any study that compares stops, arrests, searches or intrusive outcomes by race to the percentage of individuals representing that race living in the jurisdiction is making a completely erroneous assumption. That assumption is that white people, black people, Asian people, etc., all violate the law at the same rate. They DO NOT!
Offending rates vary by race. Variance in offending rates needs to be controlled for before any valid and competent conclusions can be reached concerning variance in police stops and arrests. In the mean time, you are telling the police to just stop making arrests to avoid being accused of racial bias, that’s precisely why the number decreased. You are de-incentivizing proactive law enforcement and making us all less safe, especially poor people of color.
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I agree with you.
I try to post information that is off of the academic “beaten path”. It is a newly released report.
Could you share, by citation or links, articles or reports that you think are important on the of race and policing (disproportionate police contact, racial bias, etc).
Thanks for your comment.
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There was a study years ago, under the Bush DOJ, that tried to control for race offending variance. They took pictures of speeders in New Jersey and categorized offenders by race. They found black drivers were under represented in stops at speeds over the limit plus 20. This study, funded by DOJ, was never published because it was “insensitive.” All I have is a New York times article on it. I haven’t seen a similar study since, although I do need to look again.
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