This paper examines four issues associated with the Officer model, in the context of estimating the cost of equity capital for regulatory purposes. The conclusions are thus. First, regarding the issue of foreign investors, continued use of a version of the Capital Asset Pricing Model that...

In regulating the output prices of certain firms, with periodic reassessment of prices in the light of prevailing costs, the cost of capital is generally a significant component of these costs, and this in turn involves a risk free rate. Debate in this area centers on whether the term of the...

This paper compares the revenues resulting from the Officer model, which is generally used by Australian regulatory bodies, the simplified Brennan-Lally model, which is used by the New Zealand regulatory body, the Sharpe-Lintner-Mossin model, which is widely used in other regulatory regimes, and...

Hall (2007) challenges a fundamental point in the analysis of Lally (2007) and earlier papers: if the risk free rate within the allowed rate of return matches the regulatory term, then the present value of future cash flows PV0 equals equity holders initial investment C(1-L). Hall argues that...

This paper examines the appropriate term of the risk free rate to be used by a regulator in price control situations, most particularly in the presence of corporate debt. If the regulator seeks to ensure that the present value of the future cash flows to equity holders equals their initial...