Externalities, uncertainty, and compensation for crop damage from wildlife: A principal-agent approach / Kimberly Rollins. -- Guelph : University of Guelph, 1992. -- 31 s. : 3 obr. -- (Working Papers Series 92/4. Department of Agric. econ. and business). škody spôsobené zverou * náhrada škôd * zver divá