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The Impact of Legalized Abortion on Crime. By john J. Donohue & Steven D. Levitt Presented by Ming Liu. Introduction. Drop in crime rate in 1990’s Explanations for the drop in crime The relationship of legalization of abortion and the drop in Crime. Structure of the Paper.
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The Impact of Legalized Abortion on Crime By john J. Donohue & Steven D. Levitt Presented by Ming Liu
Introduction • Drop in crime rate in 1990’s • Explanations for the drop in crime • The relationship of legalization of abortion and the drop in Crime
Structure of the Paper • Brief history of abortion • The relationship of legalization of abortion and the drop in crime • Empirical evidence
Brief Overview of the History of Legalized Abortion • The 1st law restricting abortions, 1828 • Abortion became illegal throughout the country, 1900 • The 1st modest effort at abortion liberation, 1967-1970 • Legal abortion in five states, 1970 • Legal abortion extended to the entire US, 1973 • Roe v. Wade
The Mechanism By Which Abortion Legalization Lowers Crime Rates • Through smaller cohort size • Abortion has negative effect on the births of those who are most at risk of engaging in criminal behavior • Unwanted births and bad maternal background • Optimize the timing of childbearing
Empirical Evidence on Legalized Abortion Affecting Crime Rates
Figure 2: Crime Rates from the Uniform Crime Reports, 1973-1999
Effective Legalized Abortion Rate Effective_Abortiont=Abortiont-a*(Arresta/Arresttotal)
Figure 4a: Changes in Violent Crime and Abortion rates,1985-1997
Figure 4b: Changes in Property Crime and Abortion rates,1985-1997
TABLE VI The Impact of Abortion Rates on Arrests by Age (All Values in the Table are Coefficients on the Effective Abortion Rate (x100), Other Coefficients are Not Reported)
Conclusion • Legalized abortion reducing the crime rate • Crime rates will continue to fall because of the legalized abortion