00316nam a2200121   4500000000100000008004100001260003900042100002000081700001500101700001400116700001600130245004800146       2005                            d  bOpen University Press aMaidenhead1 aKumaranayake L.1 aRoberts J.1 aHanson K.1 aJan Stephen00aEconomic analysis for management and policy