Worthington, Andrew; Higgs, Helen - School of Economics and Finance, Business School - 2005
This paper examines market risk in four demutualised and self-listed stock exchanges: the Australian Stock Exchange …-listed exchanges entail new market risks that merit regulatory intervention, the betas of the exchange companies have not changed … significantly since listing. However, market risk does vary considerable across the exchanges, with mean time-varying betas of 0 …