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<p>always exists with the price of stability in this game being at most the nth <a href="page.php?w=harmonic_number">harmonic number</a> in directed graphs. For undirected graphs, Anshelevich et al. presented a tight bound on the price of stability of 4/3 for a single source and two players case. Jian Li has proved that for undirected graphs with a distinguished destination to which all players must connect the price of stability of the Shapely network design game is  where  is the number of players. On the other hand, the <a href="page.php?w=price_of_anarchy">price of anarchy</a></p><p>
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