Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/93520
Authors: 
Westphal, Christian
Year of Publication: 
2013
Series/Report no.: 
Joint Discussion Paper Series in Economics 35-2013
Abstract: 
School shootings are often used in public policy debate as a justification for increased regulation, based on qualitative arguments. However, to date, no effort has been made to find valid quantitative evidence for the claims bolstering the regulation recommendations. In defense of this absence of evidence, it is usually argued that the rarity of such events does not allow the employment of quantitative methods. This paper, using a simulation study, shows that, based on the number of shool shootings in the United States and Germany combined, the well-known method of logistic regression can be applied to a case-control study, making it possible to at least test for an association between hypothesized influential variables and the occurrences. Moderate relative risks, explained by an observed variable, would lead to a high power of the appropriate test. A moderate numbers of cases generated by such a variable would suffice to show a significant association.
Subjects: 
Rare Events
Logistic Regression
Case-Control Studies
School Shootings
JEL: 
C25
C35
I18
K14
Document Type: 
Working Paper

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