Time variance (36 Ergebnisse)

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Hard cover. Zustand: Good. Sewn binding. Cloth over boards. 525 p. Series in Quantitative Methods for Decision Making.

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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Literature Review from the year 2020 in the subject Business economics - Banking, Stock Exchanges, Insurance, Accounting, , language: English, abstract: This paper is a review to the GARCH family's models. Since the seminal paper of Engle from 1982, much advancement has been made in understanding GARCH models and their multivariate extensions. In MGARCH models parsimonious models should be used to overcome the difficulty of estimating the VEC model ensuring MGARCH modeling is to provide a realistic and parsimonious specification of the variance matrix ensuring its positivity.BEKK models are flexible but require too many parameters for multiple time series of more than four elements. BEKK models are much more parsimonious but very restrictive for the cross-dynamics. They are not suitable if volatility transmission is the object of interest, but they usually do a good job in representing the dynamics of variances and covariance. DCC models allow for different persistence between variances and correlations, but impose common persistence in the latter (although this may be relaxed) Student's t distribution assumption is more proper under negative skewness and high kurtosis of return series.Understanding and predicting the temporal dependence in the second-order moments of asset returns is important for many issues in financial econometrics. It is now widely accepted that financial volatilities move together over time across assets and markets. Recognizing this feature through a multivariate modeling framework leads to more relevant empirical models than working with separate univariate models. From a financial point of view, it opens the door to better decision tools in various areas, such as asset pricing, portfolio selection, option pricing, and hedging and risk management. Indeed, unlike at the beginning of the 1990s, several institutions have now developed the necessary skills to use the econometric theory in a financial perspective.…

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Taschenbuch. Zustand: Neu. Neuware - USTRANSCOM is currently responsible for the daily shipment of supplies to forward operating bases throughout Afghanistan. Aerial cargo shipments are an important method used to quickly deliver items that are needed immediately. Currently delivery times vary greatly. This variation causes confidence in on-time deliveries to decrease. As a result shipments are demanded early and often, causing bottlenecks in the transportation system and fewer on-time deliveries. This paper analyzes data gathered through the global transportation network to determine shipment characteristics that cause the greatest amount of delivery time variance. A simulation is developed using ARENA that models cargo shipments into aerial ports in Afghanistan. Design experiments and a simulation optimizer, OptQuest, are used to determine most effective methods of reducing delivery time variance at individual aerial ports in Afghanistan as well as the system as a whole. The results indicate that adjustments in port hold times can decrease the overall delivery time variance in the system.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

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Taschenbuch. Zustand: Neu. Neuware - KEINE ZEIT FÜR LÜGENObwohl die Time Variance Authority über die Zeitlinien wacht, geht es bei der Behörde chaotisch zu. Das merkt auch die junge Netzschwingerin Gwen Stacy, die neuerdings für die TVA arbeitet und auf Miss Minutes, den Sohn von Wolverine, Peggy Carter, Gambit und Loki Sylvie Laufeydottir trifft! Als Agent Mobius angegriffen wird, gehen Gwen und Co. den Geheimnissen in Raum, Zeit und den heiligen Hallen der TVA selbst auf den Grund. Neue Comic-Missionen für die Agenten der Time Variance Authority, inszeniert von Katharyn Blair (Mitautorin der MCU-Streaming-Serie Loki), Pere Pérez (Spider-Woman) und anderen. ENTHÄLT: TVA (2025) 1-5.…

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Taschenbuch. Zustand: Neu. Neuware - Market Basket Analysis (MBA) provides the ability to continually monitor the affinities of a business and can help an organization achieve a key competitive advantage. Time Variant data enables data warehouses to directly associate events in the past with the participants in each individual event. In the past however, the use of these powerful tools in tandem led to performance degradation and resulted in unactionable and even damaging information.…

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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The book addresses the problem of a time-varying unconditional variance of return processes utilizing a spline function. The knots of the spline functions are estimated as free parameters within a joined estimation process together with the parameters of the mean, the conditional variance and the spline function. With the help of this method, the knots are placed in regions where the unconditional variance is not smooth. The results are tested within an extensive simulation study and an empirical study employing the S&P500 index.…

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Taschenbuch. Zustand: Neu. Modeling Time-Varying Unconditional Variance by Means of a Free-Knot Spline-GARCH Model | Oliver Old | Taschenbuch | Gabler Theses | xxii | Englisch | 2022 | Springer VS | EAN 9783658386177 | Verantwortliche Person für die EU: Springer Gabler in Springer Science + Business Media, Tiergartenstr. 15-17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.…

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Hardcover. Zustand: New. &Uumlber den AutorArkadiusz Misztal, Ph.D. (2007), University of Gda&#324sk, is Professor in American Studies at that university. He has published work on contemporary fiction, narrative theory, and the philosophy of time, including.