<div dir="ltr">Suppose this example under simple approval + top 2 runoff:<br><br>Sincere preferences:<br><br>8: A > B > C<br>7: B > A > C<br>6: C > B > A<br><br>In the first round, they decided to approve only their first preference:<br>
<br>8: A<br>7: B<br>6: C<br><br>C is eliminated.<br><br>In the second round, the 6 C voters will support B, then B wins.<br><br>To avoid this, the A party nominates a clone A*. Then, the first round is changed to:<br><br>
8: A, A*<br>7: B<br>6: C<br><br>Then A and A* are in the runoff with 8 approvals. I. e., App + t2r has the same clone-help property like borda.<br><br>Under IAR, if A is the approval winner, the A* approval score is 4, and B still is in the runoff. Then IAR reduces the probability that a candidate wins because of strategic nomination.<br>
<br><div class="gmail_quote">2008/10/18 Raph Frank <span dir="ltr"><<a href="mailto:raphfrk@gmail.com">raphfrk@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On Sun, Oct 19, 2008 at 3:12 AM, Diego Santos <<a href="mailto:diego.renato@gmail.com">diego.renato@gmail.com</a>> wrote:<br>
> Hi Raph,<br>
><br>
> 2008/10/18 Raph Frank <<a href="mailto:raphfrk@gmail.com">raphfrk@gmail.com</a>><br>
</div><div class="Ih2E3d">>> What strategy is it designed to protect against?<br>
><br>
> Improved Approval Runoff is a trying to fix Two-round runoff, to avoid cases<br>
> like 2002 French presidential election. You can approve your favourite<br>
> candidate with low chances of winning, and other satisfactory frontrunner.<br>
<br>
</div>Why can't you do that in by just using approval + top 2 run off, why<br>
the need to have the half vote reweighting?<br>
</blockquote></div><br><br clear="all"><br>-- <br>________________________________<br>Diego Renato dos Santos<br>Mestrando em Ciência da Computação<br>COPIN - UFCG<br>
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