“…Residual income is another important notion in accounting. It is extensively used in the accounting and finance literature for two main purposes: on one hand, it being a periodic measure, it is used for performance measurement and incentive compensation (see Solomons, 1965;Grinyer, 1985Grinyer, , 1987Stewart, 1991;Gallo and Peccati, 1993;Rogerson, 1997;Reichelstein, 1997;Martin and Petty, 2000;Arnold and Davies, 2000;Pfeiffer, 2000;Young and O'Byrne, 2001;Mohnen, 2003;Baldenius and Reichelstein, 2005;Mohnen and Bareket, 2007;Pfeiffer and Schneider, 2007); on the other hand, it is used for project/firm valuation (Preinreich, 1936(Preinreich, , 1937(Preinreich, , 1938Peasnell, 1981Peasnell, , 1982aPeccati, 1987Peccati, , 1989Ohlson, 1989Ohlson, , 1995Feltham and Ohlson, 1995;Lundholm and O'Keefe, 2001;O'Hanlon and Peasnell, 2002;Penman, 2007) owing to its lifespan consistency with the NPV: the sum of discounted residual incomes is equal to NPV (see Preinreich, 1936Preinreich, , 1938Lücke, 1955;Edey, 1957;Edwards and Bell, 1961;Bodenhorn, 1964;Peasnell, 1981Peasnell, , 1982aPeccati, 1989;Brief and Peasnell, 1996;Mar...…”