\relax \@writefile{toc}{\contentsline {section}{\numberline {1}Introduction}{1}} \@writefile{toc}{\contentsline {section}{\numberline {2}Rewards and Penalties}{3}} \@writefile{toc}{\contentsline {section}{\numberline {3}Claims}{5}} \@writefile{toc}{\contentsline {section}{\numberline {4}Individual choice analysis}{5}} \@writefile{toc}{\contentsline {section}{\numberline {5}Collective choice model}{6}} \@writefile{toc}{\contentsline {section}{\numberline {6}Griefing factor analysis}{7}} \@writefile{toc}{\contentsline {section}{\numberline {7}Pools}{10}} \@writefile{toc}{\contentsline {section}{\numberline {8}Conclusions}{11}} \bibstyle{abbrv} \bibdata{main} \@writefile{toc}{\contentsline {section}{\numberline {9}References}{12}}