Monday, July 05, 2010

When equilibrium's off, doping cyclists come forward - latimes.com

When equilibrium's off, doping cyclists come forward - latimes.com:
"According to Landis, the performance-enhancing drugs of choice are recombinant erythropoietin to artificially stimulate the production of oxygen carrying red blood cells; steroids and human growth hormone for recovery and the development of lean muscle mass; and blood boosting, the withdrawing of your own blood early in the season and then re-injecting it during the tour to boost your red blood cell count. After the scandals of the last dozen years, most people — reluctantly, me included — believe that many, if not most, professional cyclists dope. The deeper question is why? And why did Landis come clean after all these years of vociferous denials?

The answer comes from game theory and something called the Nash equilibrium, conceived by the Nobel Prize-winning mathematician John Nash (of 'A Beautiful Mind' fame), in which two or more players reach an equilibrium when none has anything to gain by unilaterally changing his or her strategy, as long as the other players do not change their strategies.


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