Thanks Stephan, these look like valuable resources.
Mark

On Sun, Sep 6, 2009 at 11:11 PM, Stephan Dohrn <[email protected]>wrote:

> On the Origin of Cooperation, by Elizabeth Pennisi
> *Science* 4 September 2009: 1196-1199.
> How did cooperation evolve when cheaters—those who benefit without making
> sacrifices—can threaten its stability? In the ninth essay in *Science*'s
> series in honor of the Year of Darwin, Elizabeth Pennisi discusses the
> genetic nuts and bolts of cooperation in systems from microbes to humans.
> http://www.sciencemag.org/cgi/content/short/325/5945/1196
>
> Positive Interactions Promote Public Cooperation, by David G. Rand, Anna
> Dreber, Tore Ellingsen, Drew Fudenberg, and Martin A. Nowak
> *Science* 4 September 2009: 1272-1275.
> Reward is as good as punishment to promote cooperation, costs less, and
> increases the share out of resources up for grabs.
> http://www.sciencemag.org/cgi/content/abstract/sci;325/5945/1272
>
> For those who read German, I found this on Silke Helfrich's 
> CommonsBlog<http://commonsblog.wordpress.com/2009/09/06/belohnt-kooperation-die-lohnt-statt-trittbrettfahrer-zu-bestrafen/>
> .
>
> Stephan
>
> >
>


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