There is a gap in the literature regarding the out-of-sample forecasting ability of GARCH-type models applied to derivatives. A practitioner-oriented method (iterated cumulative sum of squares) is applied to detecting breakpoints in the variance of two copper futures series. Short-,...

Copper futures returns are characterized by negative skewness and excess kurtosis. Research has not yet examined this nonnormality, which contributes to their volatility. To date little attention has been paid to the modeling of these series. Therefore, the purpose of this paper is to (i) detect...

Since 1990, many U.S. firms have registered under the provisions of the ISO 9000 standard. Meeting the demanding qualifications of this registration requires the expenditure of considerable time and money. To this point, the justification offered has been put in terms of management commitment to...