00284nam a2200121Ia 4500020001500000082001900015100002300034245003700057260003100094300002700125500000500152700000500157  a0262072157  a338.5bG168.ER  aGollier, Christian  aThe economics of risk and timeb  aCambridgebMIT Pressc2001  axx, 445p. Bibl. Index.  a  a