00823cam a22002174a 4500020002500000020002200025050001500047245005100062250001200113260006600125300005100191500017500242650002900417650003600446650002900482700001900511700001300530700002100543700002000564700002100584 a9780321417534 (pbk.) a0321417534 (pbk.)00aHC 79bNAT00aNatural resource and environmental economics / a4th ed. aHarlow, Essex ;aNew York :bPearson Addison Wesley,cc 2011. axxx, 712 pages :bIllustrations. (some col.) ; aPrev. ed. entered under author: Perman, Roger, 1949- Includes index 0aEnvironmental economics. 0aNatural resources - management. 0aSustainable development.1 aPerman, Roger,1 aMa, Yue,1 aCommon, Michael,1 aMaddison, David1 aMcGilvray, James