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Internal consistency of risk free rate and MRP in the CAPM

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Multi net Group Hold<strong>in</strong>gs Pty ltd<br />

ACN 104 036 937<br />

29th March 2012<br />

By email: Tom.Hird@ceg-ap.com<br />

Dr Tom Hird<br />

Competition Economists Group (CEG Asia-Pacific)<br />

Suite 201<br />

111 Harr<strong>in</strong>gton Street<br />

SYDNEY NSW 2000<br />

Australia<br />

Dear Dr Hird,<br />

Multi net<br />

Registered Office:<br />

• 43-45 Centreway Place<br />

• PO Box 449<br />

• Mt Waverley Victoria 3149<br />

Australia<br />

• Telephone (03) 8846 9900<br />

• Facsimile (03) 8846 9999<br />

Our Reference: MN.PG.1 0.02<br />

Expert report <strong>in</strong> relation to <strong>the</strong> market <strong>risk</strong> premium <strong>and</strong> <strong>the</strong> cost <strong>of</strong> equity<br />

Background<br />

Rule 87 <strong>of</strong> <strong>the</strong> National Gas Rules sets out provisions relat<strong>in</strong>g to <strong>the</strong> <strong>rate</strong> <strong>of</strong> return (or<br />

weighted average cost <strong>of</strong> capital) as follows:<br />

"(1) The <strong>rate</strong> <strong>of</strong> return on capital is to be commensu<strong>rate</strong> with prevail<strong>in</strong>g<br />

conditions <strong>in</strong> <strong>the</strong> market for funds <strong>and</strong> <strong>the</strong> <strong>risk</strong>s <strong>in</strong>volved <strong>in</strong> provid<strong>in</strong>g<br />

reference services.<br />

(2) In determ<strong>in</strong><strong>in</strong>g a <strong>rate</strong> <strong>of</strong> return on capital:<br />

(a) it will be assumed that <strong>the</strong> service provider:<br />

(i) meets benchmark levels <strong>of</strong> efficiency; <strong>and</strong><br />

(j) uses a f<strong>in</strong>anc<strong>in</strong>g structure that meets benchmark st<strong>and</strong>ards as to<br />

gear<strong>in</strong>g <strong>and</strong> o<strong>the</strong>r f<strong>in</strong>ancial parameters for a go<strong>in</strong>g concern <strong>and</strong><br />

reflects <strong>in</strong> o<strong>the</strong>r respects best practice; <strong>and</strong><br />

(b) a well-accepted approach that <strong>in</strong>corpo<strong>rate</strong>s <strong>the</strong> cost <strong>of</strong> equity <strong>and</strong> debt,<br />

such as <strong>the</strong> Weighted Average Cost <strong>of</strong> Capital, is to be used; <strong>and</strong> a<br />

well-accepted f<strong>in</strong>ancial model, such as <strong>the</strong> Capital Asset Pric<strong>in</strong>g Model,<br />

is to be used."<br />

The revenue <strong>and</strong> pric<strong>in</strong>g pr<strong>in</strong>ciples <strong>in</strong> section 24(2) <strong>and</strong> (5) <strong>of</strong> <strong>the</strong> National Gas Law state:<br />

"24(2) A regulated network service provider should be provided with a<br />

reasonable opportunity to recover at least <strong>the</strong> efficient costs <strong>the</strong><br />

operator <strong>in</strong>curs <strong>in</strong> provid<strong>in</strong>g reference services; <strong>and</strong>

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