%0 Report %K Energy Markets and Policy Department %K Energy Analysis and Environmental Impacts Division %A Ryan H Wiser %C Berkeley %D 2003 %I LBNL %P 160 %T Using Contingent Valuation to Explore Willingness to Pay for Renewable Energy: A Comparison of Collective and Voluntary Payment Vehicles %2 LBNL-53239 %8 08/2003