Research Materials

Crime Data for Several Criminology Articles

Data and SAS Programs for Specification Problems, Police Levels, and Crime Rates

Data and Results for Murder, Violent Crime, and Prison Population

Data for The Impact of Prison Growth on Homicide

Data and other materials for The impact of out of state prison population on state homicide rates: displacement and free-rider effects (Criminology, August, 1998)

Data and other materials for Female and Male Homicide Victimization Rates: Comparing Trends and Regressors (Criminology, November 1999).

Basic SAS program for Lethal Effects of Three Strikes Laws (Journal of Legal Studies, January 2001)

SAS Data Set for Lethal Effects of Three Strikes Laws

Programs and Data for Guns and Crime