%0 Journal Article
%T Understanding Why Crime Fell in the 1990s: Four Factors That Explain the Decline and Six That Do Not
%J Journal of economic perspectives
%D 2004
%A Levitt, Steven D.
%V 18
%N 1
%P 163-190
%X <p>[Abstract unavailable]</p>
%G 
%I American Economic Association
%@ 0895-3309
%U http://dx.doi.org/