In this paper, we revisit a frequently employed simplification within the WACC approach that company cost of capital kV is supposed to be invariant to the debt ratio and therefore equal to the unlevered cost kU . Even though we know from Miles and Ezzell (1980) that kV formally differs from kU ,...

On 3 December EY hosted a SUERF conference on banking reform with Sir Howard Davies, the Chairman of RBS, and Dame Colette Bowe, the Chairman of the Banking Standards Board, as the two keynote speakers. Professor David Miles (Imperial College) gave the SUERF 2015 Annual Lecture on Capital and...