TY - GEN AU - Halvorsen, Rober AU - Layton, David F TI - Explorations in environmental and natural resource economics T2 - New horizons in environmental economics SN - 1845421841 U1 - 333.7 PY - 2006/// CY - Cheltenham PB - Edward Elgar KW - ECONOMIC DEVELOPMENT KW - ECONOMICS KW - ENVIRONMENTAL ECONOMICS KW - NATURAL RESOURCE ECONOMICS KW - NATURAL RESOURCES ER -