... (PVR); and (iii) the linear information model (LIM) for (ox°, oa^ t>,), consistingof (10) and the restrictions on the parameters (tOn, 0)12, 0)22. Yi,Y2).To avoid cumbersome repetition, the formal ... Expression (14b) applies for all ©12 >0, k^ = k regardless of a>]2, and k2 = l-k,+a2. One concludes immediately that the sum ofk^ and k2exceeds one if, and only if, the accounting is conservative. ... accounting and value relations CSR, NIR, FAR,OAR, and PVR, unbiased accounting obtains if, and only if.j] = Ef\ I R';Ef+T{Cf^T+t] asor, equivalently.1JValuation and Clean Surplus Accounting...