... characterizations of unbiased versus conservative accounting immediately follow from their respective definitions and Proposition 1.Proposition 2: Given accounting and value relations CSR, NIR, FAR,OAR, ... expressions (2), (4), and (7) in conjunction withPVR, one obtains the fottowing proposition.Proposition 1:' Assume accounting relations CSR, NIR, FAR and OAR, and valuation relation PVR. ... perfect accounting for the financial activities, the finan-cial activities are given only limited attention. The model focuses on theoperating activities and assumes that abnormal operating eamings...