
2001
For futures programs, the meaning of rate-of-return numbers can be somewhat ambiguous, given that one does not need to set aside capital in the amount of a program’s funding level. Instead, an investor can fractionally fund an account using “notional funding.”
2000
Under the efficient market hypothesis, overwriting calls or purchasing insurance should not improve risk-adjusted portfolio returns. A proper analysis should show that if options are traded at a fair cost, the risk-reward characteristics of an option position would fall on the efficient market line. In this paper we show that, due to several limitations of mean-variance analysis, this is not the case in practice. We quantify and identify the nature of the resulting biases for performance evaluation, and explain why alternative measures such as semi variance do not help in avoiding such biases...
2000
This article will argue that long-only investments in the commodity futures markets, specifically those represented by the GSCI, are only advisable under a well-defined circumstance. One needs to use a reliable indicator of scarcity before investing in commodities in order to be assured of earning positive returns. This indicator also assists a commodity investor in avoiding huge losses that can result from investing in commodities during times of surplus. We will describe this indicator and note empirical and theoretical evidence for its use.