%0 Journal Article
%T Speed variance, enforcement, and the optimal speed limit
%J Economics letters
%D 1993
%A Graves, Philip E.
%A Lee, Dwight R.
%A Sexton, Robert L.
%V 42
%N 2-3
%P 237-243
%X A model of the optimal speed limit is developed which explicitly recognizes the roles of average speed, speed variance, and the level of enforcement. An unusual result emerges, namely that a higher speed limit may be optimal when reducing the variance in highway speeds reduces accident externalities.<p />
%G 
%I Elsevier Publishing
%@ 0165-1765
%U http://dx.doi.org/10.1016/0165-1765(93)90068-N