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University of Pennsylvania Carey Law School

Policy Design, Analysis, and Evaluation

Criminal law

Articles 1 - 11 of 11

Full-Text Articles in Law

Statutory Rape, Paul H. Robinson, Tyler Scot Williams Jan 2018

Statutory Rape, Paul H. Robinson, Tyler Scot Williams

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It is common for criminal law scholars from outside the United States to discuss the “American rule” and compare it to the rule of other countries. As this volume makes clear, however, there is no such thing as an “American rule.” Because each of the states, plus the District of Columbia and the federal system, have their own criminal law, there are fifty-two American criminal codes.

American criminal law scholars know this, of course, but they too commonly speak of the “general rule” as if it reflects some consensus or near consensus position among the states. But the truth is …


Bias In, Bias Out, Sandra G. Mayson Jan 2018

Bias In, Bias Out, Sandra G. Mayson

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Police, prosecutors, judges, and other criminal justice actors increasingly use algorithmic risk assessment to estimate the likelihood that a person will commit future crime. As many scholars have noted, these algorithms tend to have disparate racial impacts. In response, critics advocate three strategies of resistance: (1) the exclusion of input factors that correlate closely with race; (2) adjustments to algorithmic design to equalize predictions across racial lines; and (3) rejection of algorithmic methods altogether.

This Article’s central claim is that these strategies are at best superficial and at worst counterproductive because the source of racial inequality in risk assessment lies …


Distributive Principles Of Criminal Law, Paul H. Robinson, Tyler Scot Williams Jan 2018

Distributive Principles Of Criminal Law, Paul H. Robinson, Tyler Scot Williams

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This first chapter from the recently published book Mapping American Criminal Law: Variations across the 50 States documents the alternative distributive principles for criminal liability and punishment — desert, deterrence, incapacitation of the dangerous — that are officially recognized by law in each of the American states. The chapter contains two maps visually coded to display important differences: the first map shows which states have adopted desert, deterrence, or incapacitation as a distributive principle, while the second map shows which form of desert is adopted in those jurisdictions that recognize desert. Like all 38 chapters in the book, which covers …


Felony Murder, Paul H. Robinson, Tyler Scot Williams Jan 2018

Felony Murder, Paul H. Robinson, Tyler Scot Williams

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It is common for criminal law scholars from outside the United States to discuss the “American rule” and compare it to the rule of other countries. As this volume makes clear, however, there is no such thing as an “American rule.” Because each of the states, plus the District of Columbia and the federal system, have their own criminal law, there are fifty-two American criminal codes.

American criminal law scholars know this, of course, but they too commonly speak of the “general rule” as if it reflects some consensus or near consensus position among the states. But the truth is …


Democratizing Criminal Law: Feasibility, Utility, And The Challenge Of Social Change, Paul H. Robinson Jan 2017

Democratizing Criminal Law: Feasibility, Utility, And The Challenge Of Social Change, Paul H. Robinson

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The notion of “democratizing criminal law” has an initial appeal because, after all, we believe in the importance of democracy and because criminal law is so important – it protects us from the most egregious wrongs and is the vehicle by which we allow the most serious governmental intrusions in the lives of individuals. Given criminal law’s special status, isn’t it appropriate that this most important and most intrusive governmental power be subject to the constraints of democratic determination?

But perhaps the initial appeal of this grand principle must give way to practical realities. As much as we are devoted …


Identifying Criminals’ Risk Preferences, Murat C. Mungan, Jonathan Klick Jan 2016

Identifying Criminals’ Risk Preferences, Murat C. Mungan, Jonathan Klick

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There is a 250 year old presumption in the criminology and law enforcement literature that people are deterred more by increases in the certainty rather than increases in the severity of legal sanctions. We call this presumption the Certainty Aversion Presumption (CAP). Simple criminal decision making models suggest that criminals must be risk-seeking if they behave consistently with CAP. This implication leads to disturbing interpretations, such as criminals being categorically different than law abiding people, who often display risk-averse behavior while making financial decisions. Moreover, policy discussions that incorrectly rely on criminals’ risk attitudes implied by CAP are ill-informed, and …


What's Wrong With Sentencing Equality?, Richard A. Bierschbach, Stephanos Bibas Jan 2016

What's Wrong With Sentencing Equality?, Richard A. Bierschbach, Stephanos Bibas

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Equality in criminal sentencing often translates into equalizing outcomes and stamping out variations, whether race-based, geographic, or random. This approach conflates the concept of equality with one contestable conception focused on outputs and numbers, not inputs and processes. Racial equality is crucial, but a concern with eliminating racism has hypertrophied well beyond race. Equalizing outcomes seems appealing as a neutral way to dodge contentious substantive policy debates about the purposes of punishment. But it actually privileges deterrence and incapacitation over rehabilitation, subjective elements of retribution, and procedural justice, and it provides little normative guidance for punishment. It also has unintended …


The Rise And Fall And Resurrection Of American Criminal Codes, Paul H. Robinson Jan 2015

The Rise And Fall And Resurrection Of American Criminal Codes, Paul H. Robinson

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This brief essay summarizes the virtues of the modern American codification movement of the 1960s and 70s, putting it in a larger global context, then describes how these once-enviable codes have been systematically degraded with thoughtless amendments, a process of degradation that is accelerating each year. After exploring the political dynamics that promote such degradation, the essay suggests the principles and procedures for fixing the current codes and, more importantly, structural changes to the process that could avoid the restart of degradation in the future.


Catalogs, Gideon Parchomovsky, Alex Stein Mar 2014

Catalogs, Gideon Parchomovsky, Alex Stein

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It is a virtual axiom in the world of law that legal norms come in two prototypes: rules and standards. The accepted lore suggests that rules should be formulated to regulate recurrent and frequent behaviors, whose contours can be defined with sufficient precision. Standards, by contrast, should be employed to address complex, variegated, behaviors that require the weighing of multiple variables. Rules rely on an ex ante perspective and are therefore considered the domain of the legislator; standards embody a preference for ex post, ad-hoc, analysis and are therefore considered the domain of courts. The rules/standards dichotomy has become a …


A Good Enough Reason: Addiction, Agency And Criminal Responsibility, Stephen J. Morse Jan 2013

A Good Enough Reason: Addiction, Agency And Criminal Responsibility, Stephen J. Morse

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The article begins by contrasting medical and moral views of addiction and how such views influence responsibility and policy analysis. It suggests that since addiction always involves action and action can always be morally evaluated, we must independently decide whether addicts do not meet responsibility criteria rather than begging the question and deciding by the label of ‘disease’ or ‘moral weakness’. It then turns to the criteria for criminal responsibility and shows that the criteria for criminal responsibility, like the criteria for addiction, are all folk psychological. Therefore, any scientific information about addiction must be ‘translated’ into the law’s folk …


The Role Of Harm And Evil In Criminal Law: A Study In Legislative Deception?, Paul H. Robinson Jan 1994

The Role Of Harm And Evil In Criminal Law: A Study In Legislative Deception?, Paul H. Robinson

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What is the role of the occurrence of harm or evil in criminal law? What should it be? Answers to these questions commonly use the distinction between what is called an objective and a subjective view of criminality. To oversimplify, the objective view maintains that the occurrence of the harm or evil defined by the offense is highly relevant. The subjectivist view maintains that such harm or evil is irrelevant; only the actor's culpable state of mind regarding the occurrence of the harm or evil is important. The labels tend to overstate a rather subtle distinction. The objectivist or harmful …