M & H Economic Consultants, University of Southern California - Sol Price School of Public Policy, University of California, Davis - Department of Economics, Government of the United States of America - Department of Transportation, University of Toronto, University of Nebraska at Lincoln - Department of Economics, University of Idaho, University of Otago - School of Business - Department of Economics, Oregon State University - Department of Agricultural and Resource Economics, University of California, Berkeley - The Richard & Rhoda Goldman School of Public Policy, University of Utrecht, Government of the United States of America - Oak Ridge National Laboratory and University of South Florida - College of Business Administration

Institute of Applied Economic Research (IPEA), University of Utrecht and University of Oxford

Institute of Applied Economic Research (IPEA) and University of Utrecht

University of Sussex - Science and Technology Policy Research Unit (SPRU), University of Sussex - Science and Technology Policy Research Unit (SPRU) and University of Utrecht

University of Oxford, University of Oxford, University of Oxford, University of Oxford and University of Utrecht