Helm-Indicator, for the Prevention of Collisions at Sea

conditional copula-garch methods for value at risk of portfolio: the case of tehran stock exchange market

ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...

At the helm of the NIDDK.

As of April 2007, Griffin P. Rodgers has taken over as director of the NIDDK, but had been the deputy director under Allen Spiegel since 2001 and the chief of Hematology since 1998. The JCI took the opportunity to ask this career investigator in the NIH about his goals and visions for the NIDDK. JCI: You moved quickly from chief of Hematology to deputy director of the NIDDK to director — what d...

Demagogues at the helm.

Amazing, mind-boggling, incomprehensible, indefensible. The decision by the Federal Government to abolish the mandatory long-form of the census may be the worst policy decision of the past decade in Canada. The impact of this decision, if it is not reversed, will be felt for many years to come and, if it remains in effect over other census cycles or if it is a harbinger of things to come, could...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Medical Men at the Helm