00414pab a2200145 454500008004000000100002100040245010100061260000900162300001400171362000800185650001000193650001100203700002500214773002900239180718b2004 xxu||||| |||| 00| 0 eng d aTella, Rafael Di aDo police reduce crime? Estimates using the allocation of police forces after a terrorist attack c2004 ap.115-33. aMar aCrime aPolice aSchargrodky, Ernesto aAmerican Economic Review