Dundas SJ, von Haefen RH, Mansfield C. Recreation costs of endangered species protection: evidence from Cape Hatteras National Seashore. Marine Resource Economics. 2018 Jan;33(1):1-25. doi: 10.1086/694752
Thyagarajan (Hoffman) V, Norman H, Alexander KA, Napalkov P, Enger C. Risk of mortality, fatal infection, and fatal malignancy related to use of anti-tumor necrosis factor-α biologics by rheumatoid arthritis patients. Semin Arthritis Rheum. 2012 Dec;42(3):223-33. doi: 10.1016/j.semarthrit.2012.05.004
Myers KH, Parsons GR, Edwards PET. Measuring the recreational use value of migratory shorebirds on the Delaware Bay. Marine Resource Economics. 2010 Apr 23;25(3):247-64.