Hypotheses | Levitt2004review | Blumstein & Rosenfeld2008review | This study |
---|---|---|---|
Strong economy | x | x | x |
Concealed weapons laws | x | x | x |
Capital punishment | x | x | x |
Gun control laws | x | x | x |
Rising prison population | ✔ | ✔ | ✔ |
Policing strategies | x | x | ✔ |
More police | ✔ | x | ✔ |
Legalization of abortion | ✔ | x | ✔ |
Immigration | – | – | ✔ |
Consumer confidence | – | ✔ | ✔ |
Waning crack market | ✔ | ✔ | ✔ |
Childhood lead | – | x | ✔ |
Changing demographics | x | x | ✔ |
Civilizing process | – | – | ✔ |
Improved security | – | – | ✔ |