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...

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...