We measure the total-risk-adjusted (as opposed to factor-risk-adjusted) performance of hedge fund indices in well-diversified portfolios. Alpha is defined as the difference between, on the one hand, the average return on a mean-variance efficient portfolio containing exclusively traditional...

This paper extends the Schure and Wagenvoort (1999) study, which considers economies of scale and efficiency in European banking, in a number of directions. Firstly, we introduce what we believe to be important improvements to estimating efficiency. Secondly, we examine more closely the...