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Pardons, Executions and Homicide

45 Pages Posted: 9 Jan 2002  

Naci H. Mocan

Louisiana State University, Baton Rouge - Department of Economics; National Bureau of Economic Research (NBER)

R. Kai Gittings

University of Colorado at Denver - Department of Economics

Multiple version iconThere are 2 versions of this paper

Date Written: December 2001

Abstract

This paper uses a data set that consists of the entire history of 6,143 death sentences between 1977 and 1997 in the United States to investigate the impact of capital punishment on homicide. This data set is merged with state panels that include crime and deterrence measures as well as state characteristics to analyze the impact of executions and governors' pardons on criminal activity. Because the exact month and year of each execution and pardon can be identified, they are matched with criminal activity in the relevant time frame. Controlling for a variety of state characteristics, the paper investigates the impact of the execution rate, pardon rate, homicide arrest rate, the imprisonment rate and the prison death rate on the rate of homicide. The models are estimated in a number of different forms, controlling for state fixed effects, common time trends, and state-specific time trends. Each additional execution decreases homicides by 5 to 6, while three additional pardons generate one to 1.5 additional homicides. These results are robust to model specifications and measurement of the variables.

Keywords: Capital punishment, death penalty, homicide, murder, deterrence, panel data

JEL Classification: K4, H7

Suggested Citation

Mocan, Naci H. and Gittings, R. Kai, Pardons, Executions and Homicide (December 2001). Available at SSRN: https://ssrn.com/abstract=295576 or http://dx.doi.org/10.2139/ssrn.295576

Naci H. Mocan (Contact Author)

Louisiana State University, Baton Rouge - Department of Economics ( email )

Baton Rouge, LA 70803-6308
United States

National Bureau of Economic Research (NBER)

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

Robert Kai Gittings

University of Colorado at Denver - Department of Economics ( email )

Campus Box 181
P.O. Box 173364
Denver, CO 80217-3364
United States
303-556-4934 (Phone)

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