55 research outputs found
Sentencing Guidelines and Judicial Discretion: Quasi-experimental Evidence from Human Calculation Errors
There is a debate about whether advisory non-binding sentencing guidelines affect the sentences outcomes of individuals convicted in jurisdictions with this sentencing framework. Identifying the impact of sentencing guidelines is a difficult empirical problem because court actors may have preferences for sentencing severity that are correlated with the preferences that are outlined in the guidelines. But, in Maryland, ten percent of the recommended sentences computed in the guideline worksheets contain calculation errors. We use this unique source of quasi-experimental variation to quantify the extent to which sentencing guidelines influence policy outcomes. Among drug offenses, we find that the direct impact of the guidelines is roughly ½ the size of the overall correlation between recommendations and outcomes. For violent offenses, we find the same ½ discount for sentence recommendations that are higher than they should have been, but more responsiveness to recommendations that are too low. We find no evidence that the guidelines themselves directly affect discretion for property offenders, perhaps because judges generally have substantial experience with property cases and therefore do not rely on the errant information. Sentences are more sensitive to both accurate and inaccurate recommendations for crimes that occur less frequently and have more complicated sentencing. This suggests that when the court has more experience, the recommendations have less influence. More tentative findings suggest that, further down the decision chain, parole boards counteract the remaining influence of the guidelines.
Failing to Follow the Rules: Can Imprisonment Lead to More Imprisonment Without More Actual Crime?
We find that people involved in low-level crime receiving a prison sentence are more likely than those with non-prison sentences to be re-imprisoned due to technical violations of parole, rather than due to new crimes. We identify the extent and cost of this incapacitation effect among individuals with similar criminal histories using exogenous variation in sentence type from discontinuities in Michigan Sentencing Guidelines. Technical violations disproportionately affect drug users and those first arrested as juveniles. Higher re-imprisonment adds one-quarter to the original sentence’s incapacitation days while only preventing low-severity crime, suggesting that prison is cost-ineffective for individuals on the margin
Failing to Follow the Rules: Can Imprisonment Lead to More Imprisonment Without More Actual Crime?
We find that people involved in low-level crime receiving a prison sentence are more likely than those with non-prison sentences to be re-imprisoned due to technical violations of parole, rather than due to new crimes. We identify the extent and cost of this incapacitation effect among individuals with similar criminal histories using exogenous variation in sentence type from discontinuities in Michigan Sentencing Guidelines. Technical violations disproportionately affect drug users and those first arrested as juveniles. Higher re-imprisonment adds one-quarter to the original sentence’s incapacitation days while only preventing low-severity crime, suggesting that prison is cost-ineffective for individuals on the margin
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Short- and long-term effects of imprisonment on future felony convictions and prison admissions
A substantial contributor to prison admissions is the return of individuals recently released from prison, which has come to be known as prison's "revolving door." However, it is unclear whether being sentenced to prison itself has a causal effect on the probability of a subsequent return to prison or on criminal behavior. To examine the causal effect of being sentenced to prison on subsequent offending and reimprisonment, we leverage a natural experiment using the random assignment of judges with different propensities for sentencing offenders to prison. Drawing on data on all individuals sentenced for a felony in Michigan between 2003 and 2006, we compare individuals sentenced to prison to those sentenced to probation, taking into account sentence lengths and stratifying our analysis by race. Results show that being sentenced to prison rather than probation increases the probability of imprisonment in the first 3 years after release from prison by 18 percentage points among nonwhites and 19 percentage points among whites. Further results show that such effects are driven primarily by imprisonment for technical violations of community supervision rather than new felony convictions. This suggests that more stringent postprison parole supervision (relative to probation supervision) increases imprisonment through the detection and punishment of low-level offending or violation behavior. Such behavior would not otherwise result in imprisonment for someone who had not already been to prison or who was not on parole. These results demonstrate that the revolving door of prison is in part an effect of the nature of postprison supervision
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