@article{CGTM_2007_1_a3,
     author = {Robert Aumann and Roberto Serrano},
     title = {An {Economic} {Index} of {Riskiness}},
     journal = {Contributions to game theory and management},
     pages = {42},
     publisher = {mathdoc},
     volume = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2007_1_a3/}
}