Essay on Accounting Theories
Positive accounting theory (PAT) is a general term for any theory that provides descriptive information regarding the behavior of accountants. The title has been used by Watts and Zimmerman and this is largely an expansion of previous studies carried out firstly by Fama and later by Ball & Brown in the 1960’s. In looking at the apparent acceptance by politicians, firms and wide publication in academic journals PAT could easily be mistaken as being a success. A deeper analysis of the premises of PAT, its questionable scientific status, and the groups upon whom this theory has appealed to would suggest that it is flawed on many levels and is little more than an argument for deregulation and market capitalism. This opposes its claim to be a useful theory used regularly by those concerned with the effects of accounting policy on the status of the firm.
The Premises of Positive Accounting Theory
Positive Accounting Theory finds its roots with the Efficient Market Hypothesis (EMH). The EMH was developed by Fama in the 1960’s and is based on economic principles and assumes a perfect market where there is information symmetry and no transaction costs. The semi strong form of EMH argues that capital markets will reflect all information that is publicly available and it is this form that Watts and Zimmerman claim to be predominant. Read more…