Results for “more police”

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The econometrician Henri Theil once said “models are to be used but not to be believed.” I use the rational actor model for thinking about marginal changes but Gary Becker really believed the model. Once, at a dinner with Becker, I remarked that extreme punishment could lead to so much poverty and hatred that it could create blowback. Becker was having none of it. For every example that I raised of blowback, he responded with a demand for yet more punishment. We got into a heated argument. Jim Buchanan and Bryan Caplan approached from the other end of the table and joined in. It was a memorable evening.

Becker isn’t here to defend himself on the particulars of that evening but you can see the idea in his great paper, Crime and Punishment: An Economic Approach. In a famous section he argues that an optimal punishment system would combine a low probability of being punished with a high level of punishment if caught:

If the supply of offenses depended only on pf—offenders were risk neutral — a reduction in p “compensated” by an equal percentage increase in f would leave unchanged pf…

..an increased probability of conviction obviously absorbs public and private resources in the form of more policemen, judges, juries, and so forth. Consequently, a “compensated” reduction in this probability obviously reduces expenditures on combating crime, and, since the expected punishment is unchanged, there is no “obvious” offsetting increase in either the amount of damages or the cost of punishments. The result can easily be continuous political pressure to keep police and other expenditures relatively low and to compensate by meting out strong punishments to those convicted.

We have now tried that experiment and it didn’t work. Beginning in the 1980s we dramatically increased the punishment for crime in the United States but we did so more by increasing sentence length than by increasing the probability of being punished. In theory, this should have reduced crime, reduced the costs of crime control and led to fewer people in prison. In practice, crime rose and then fell mostly for reasons other than imprisonment. Most spectacularly, the experiment with greater punishment led to more spending on crime control and many more people in prison.

Why did the experiment fail? Longer sentences didn’t reduce crime as much as expected because criminals aren’t good at thinking about the future; criminal types have problems forecasting and they have difficulty regulating their emotions and controlling their impulses. In the heat of the moment, the threat of future punishment vanishes from the calculus of decision. Thus, rather than deterring (much) crime, longer sentences simply filled the prisons. As if that weren’t bad enough, by exposing more people to criminal peers and by making it increasingly difficult for felons to reintegrate into civil society, longer sentences increased recidivism.

Instead of thinking about criminals as rational actors, we should think about criminals as children. In this light, consider the “Becker approach” to parenting. Punishing children is costly so to reduce that cost, ignore a child’s bad behavior most of the time but when it’s most convenient give the kid a really good spanking or put them in time out for a very long time. Of course, this approach leads to disaster–indeed, it’s precisely this approach that leads to criminality in later life.

So what is the recommended parenting approach? I don’t want to get into a debate over spanking, timeouts, and reasoning but one thing all recommendations have in common is that the consequences for inappropriate behavior should be be quick, clear, and consistent. Quick responses help not just because children have “high discount rates” (better thought of as difficulty integrating their future selves into a consistent whole but “high discount rates” will do as short hand) but even more importantly because a quick response helps children to understand the relationship between behavior and consequence. Prior to Becker there was Becaaria and in Beccarian theory, people must learn to associate crime with punishment. When responses aren’t quick, children, just like scientists, have difficulty learning cause and effect. Quick is thus one way of lowering cognitive demands and making consequences clear.

Animals can learn via conditioning but people can do much better. If you punish the child who steals cookies you get less cookie stealing but what about donuts or cake? The child who understands the why of punishment can forecast consequences in novel circumstances. Thus, consequences can also be made clear with explanation and reasoning. Finally, consistent punishment, like quick punishment, improves learning and understanding by reducing cognitive load.

Quick, clear and consistent also works in controlling crime. It’s not a coincidence that the same approach works for parenting and crime control because the problems are largely the same. Moreover, in both domains quick, clear and consistent punishment need not be severe.

In the economic theory, crime is in a criminal’s interest. Both conservatives and liberals accepted this premise. Conservatives argued that we needed more punishment to raise the cost so high that crime was no longer in a criminal’s interest. Liberals argued that we needed more jobs to raise the opportunity cost so high that crime was no longer in a criminal’s interest. But is crime always done out of interest? The rational actor model fits burglary, pick-pocketing and insider trading but lots of crime–including vandalism, arson, bar fights and many assaults–aren’t motivated by economic gain and perhaps not by any rational interest.

Here’s a simple test for whether crime is in a person’s rational interest. In the economic theory if you give people more time to think carefully about their actions you will on average get no change in crime (sometimes careful thinking will cause people to do less crime but sometimes it will cause them to do more). In the criminal as poorly-socialized-child theory, in contrast, crime is often not in a person’s interest but instead is a spur of the moment mistake. Thus, even a small opportunity to reflect and consider will result in less crime. As one counselor at a juvenile detention center put it:

20 percent of our residents are criminals, they just need to be locked up. But the other 80 percent, I always tell them – if I could give them back just ten minutes of their lives, most of them wouldn’t be here.

Cognitive behavioral therapy teaches people how to act in those 10 minutes–CBT is not quite as simple as teaching people to count to ten before lashing out but it’s similar in spirit, basically teaching people to think before acting and to revise some of their assumptions to be more appropriate to the situation. Randomized controlled trials and meta-studies demonstrate that CBT can dramatically reduce crime.

Cognitive behavioral therapy runs the risk of being labeled a soft, liberal approach but it can also be thought of as remedial parenting which should improve understanding and appreciation among conservatives. More generally, it’s important that crime policy not be forced into a single dimension running from liberal to conservative, soft to tough. Policing and prisons, for example, are often lumped together and placed on this single, soft to tough dimension when in fact the two policies are different. I favor more police on the street to make punishment more quick, clear, and consistent. I would be much happier with more police on the street, however, if that policy was combined with an end to the “war on drugs”, shorter sentences, and an end to brutal post-prison policies that exclude millions of citizens from voting, housing, and jobs.

Let’s give Becker and the rational choice theory its due. When Becker first wrote many criminologists were flat out denying that punishment deterred. As late as 1994, for example, the noted criminologist David Bayley could write:

The police do not prevent crime. This is one of the best kept secrets of modern life. Experts know it, the police know it, but the public does not know it. Yet the police pretend that they are society’s best defense against crime. This is a myth

Inspired by Becker, a large, credible, empirical literature–including my own work on police (and prisons)–has demonstrated that this is no myth, the police deter. Score one for rational choice theory. It’s a far cry, however, from police deter to twenty years in prison deters twice as much as ten years in prison. The rational choice theory was pushed beyond its limits and in so doing not only was punishment pushed too far we also lost sight of alternative policies that could reduce crime without the social disruption and injustice caused by mass incarceration.