“…Fisher's (1906) concept of property rights is adopted as the underlying qualitative, empirical property of the accounting elements, the objects of measurement. Second, transactions are accepted as the fundamental measurements (Canning, 1929a(Canning, , 1929bFisher, 1930;Littleton, 1933;Mattessich, 1964a;Ijiri, 1967;Willett, 1987Willett, , 1988. Derived from executed contracts, transactions are the primary means by which changes in property rights are measured, the contract consideration stipulating the amount of the relevant transaction.…”