• Publications
  • Influence
SPECIFICATION PROBLEMS, POLICE LEVELS, AND CRIME RATES*
Research on the relationship between police and crime, like many criminological topics, is subject to uncertain causal direction and omitted controls. We recommend procedures that mitigate theseExpand
Prison population growth and crime reduction
The impact of state prison populations on crime is typically estimated by applying the lambda, the individual crime rate, of prisoners or arrestees. We outline the problems with this approach,Expand
DETERMINATE SENTENCING AND ABOLISHING PAROLE: THE LONG‐TERM IMPACTS ON PRISONS AND CRIME*
We estimate the impact of determinate sentencing laws (DSLs) on prison commitments, prison populations, and Uniform Crime Report crime rates. Ten states enacted these laws between 1976 and 1984; allExpand
The Lethal Effects of Three‐Strikes Laws
Three‐strikes laws provide very long prison terms for certain criminals with prior convictions of serious violent crimes. It is likely that the laws increase homicides because a few criminals,Expand
Age structure and crime rates: The conflicting evidence
Because arrest rates are especially high for teenagers and young adults, criminologists have long contended that age structure changes affect crime trends. In recent years, however, this belief hasExpand
On the Choice of Control Variables in the Crime Equation
Although control variables are the reason for multiple regression, surprising little attention is given to the process of locating and selecting the controls. If important controls are omitted,Expand
Testing for the Effects of Concealed Weapons Laws: Specification Errors and Robustness*
  • C. Moody
  • Economics
  • The Journal of Law and Economics
  • 23 September 2001
In 1997, John Lott and David Mustard published an important paper in which they found that right‐to‐carry concealed weapons laws reduce violent crime. Although Lott and Mustard appear to do allExpand
Quality, Price, Advertising, and Published Quality Ratings
Economic literature contains several sometimes contradictory hypotheses concerning the relationships among quality, price, and advertising. We investigate the impact of published quality ratings onExpand
Guns and Crime
We estimate several models of handguns and crime based on state-level panel data for 1977–1998 using both General Social Survey data on gun availability and a new measure of handgun prevalence. WeExpand
The Impact of Prison Growth on Homicide
The major crime-reduction strategy in this country is to imprison more and more criminals. Past studies of its effectiveness in reducing homicide have produced wildly divergent results. The authorsExpand
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