Here is an argument “in favor”:http://www.britannica.com/blogs/2010/09/the-case-for-alternative-vote-5-questions-for-unlock-democracy-director-peter-facey/, and an argument “against”:http://www.britannica.com/blogs/2010/09/the-case-against-alternative-vote-5-questions-for-no2av-leader-matthew-elliott/.
And while we’re arguing about the AV, here is a debate about whether it makes elections less divided along ethnic lines: “Donald Horowitz”:http://cps.sagepub.com/content/39/5/652.abstract vs. “Fraenkel & Grofman”:http://www.socsci.uci.edu/~bgrofman/142%20Grofman%20and%20Fraenkel.%202006.%20Does%20the%20Alternative%20Vote%20Foster%20Moderation…CPS.pdf.