This paper examines the relationship between the market weight of a single stock and the betas of both that stock and the residual portfolio. Theory suggests that the effect of such a large weight is to significantly reduce the beta of the residual portfolio, and it may also significantly raise...

This paper estimates the standard and tax-adjusted market risk premiums in New Zealand using historical data between 1931-2002 and a variant of the Siegel (1992) methodology. Similar to Siegel we present evidence that real bond yields in New Zealand were low over the period 1931-2002 and this...

This paper analyses the issue of the timing of expenditures in replacing fixed assets within the context of valuing firms using the free cash flow approach. Standard practice amongst both practitioners and academics is to assume a smooth pattern in these expenditures past some future point, and...

This paper describes and analyses the recommendations of the government’s covid-19 advisers, with particular emphasis on their use or otherwise of cost-benefit analysis (CBA). In respect of Professors Baker and Wilson, their views markedly fluctuated: on whether mitigation or elimination was...

There is currently a pronounced lack of uniformity in the values placed on a life by different New Zealand government entities taking actions designed to save lives. Various explanations are offered for this, but none justifies the inconsistencies. Equity suggests that all QALYs be equally...