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A Test of General Asymmetric Dependence

A Test of General Asymmetric Dependence
Author: Lei Jiang
Publisher:
Total Pages: 34
Release: 2018
Genre:
ISBN:

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We propose a modified mutual information measure to capture general asymmetric dependence between two random variables. Based on this measure, we propose a test of asymmetric dependence and examine its finite-sample performance. We show that our test has better power than competing tests with alternative dependence measures. Using the new test, we find significant asymmetric dependence in returns of commonly-used stock portfolios and the market return both in the U.S and other developed countries. Further, the dependence between developed country markets and the U.S. market is stronger when both markets are in a downturn.


Copulae and Multivariate Probability Distributions in Finance

Copulae and Multivariate Probability Distributions in Finance
Author: Alexandra Dias
Publisher: Routledge
Total Pages: 206
Release: 2013-08-21
Genre: Business & Economics
ISBN: 1317976916

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Portfolio theory and much of asset pricing, as well as many empirical applications, depend on the use of multivariate probability distributions to describe asset returns. Traditionally, this has meant the multivariate normal (or Gaussian) distribution. More recently, theoretical and empirical work in financial economics has employed the multivariate Student (and other) distributions which are members of the elliptically symmetric class. There is also a growing body of work which is based on skew-elliptical distributions. These probability models all exhibit the property that the marginal distributions differ only by location and scale parameters or are restrictive in other respects. Very often, such models are not supported by the empirical evidence that the marginal distributions of asset returns can differ markedly. Copula theory is a branch of statistics which provides powerful methods to overcome these shortcomings. This book provides a synthesis of the latest research in the area of copulae as applied to finance and related subjects such as insurance. Multivariate non-Gaussian dependence is a fact of life for many problems in financial econometrics. This book describes the state of the art in tools required to deal with these observed features of financial data. This book was originally published as a special issue of the European Journal of Finance.


Handbook of Categorization in Cognitive Science

Handbook of Categorization in Cognitive Science
Author: Henri Cohen
Publisher: Elsevier
Total Pages: 1277
Release: 2017-06-03
Genre: Psychology
ISBN: 0128097663

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Handbook of Categorization in Cognitive Science, Second Edition presents the study of categories and the process of categorization as viewed through the lens of the founding disciplines of the cognitive sciences, and how the study of categorization has long been at the core of each of these disciplines. The literature on categorization reveals there is a plethora of definitions, theories, models and methods to apprehend this central object of study. The contributions in this handbook reflect this diversity. For example, the notion of category is not uniform across these contributions, and there are multiple definitions of the notion of concept. Furthermore, the study of category and categorization is approached differently within each discipline. For some authors, the categories themselves constitute the object of study, whereas for others, it is the process of categorization, and for others still, it is the technical manipulation of large chunks of information. Finally, yet another contrast has to do with the biological versus artificial nature of agents or categorizers. Defines notions of category and categorization Discusses the nature of categories: discrete, vague, or other Explores the modality effects on categories Bridges the category divide - calling attention to the bridges that have already been built, and avenues for further cross-fertilization between disciplines


Asymmetric Dependence in Finance

Asymmetric Dependence in Finance
Author: Jamie Alcock
Publisher: John Wiley & Sons
Total Pages: 312
Release: 2018-06-05
Genre: Business & Economics
ISBN: 1119289017

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Avoid downturn vulnerability by managing correlation dependency Asymmetric Dependence in Finance examines the risks and benefits of asset correlation, and provides effective strategies for more profitable portfolio management. Beginning with a thorough explanation of the extent and nature of asymmetric dependence in the financial markets, this book delves into the practical measures fund managers and investors can implement to boost fund performance. From managing asymmetric dependence using Copulas, to mitigating asymmetric dependence risk in real estate, credit and CTA markets, the discussion presents a coherent survey of the state-of-the-art tools available for measuring and managing this difficult but critical issue. Many funds suffered significant losses during recent downturns, despite having a seemingly well-diversified portfolio. Empirical evidence shows that the relation between assets is much richer than previously thought, and correlation between returns is dependent on the state of the market; this book explains this asymmetric dependence and provides authoritative guidance on mitigating the risks. Examine an options-based approach to limiting your portfolio's downside risk Manage asymmetric dependence in larger portfolios and alternate asset classes Get up to speed on alternative portfolio performance management methods Improve fund performance by applying appropriate models and quantitative techniques Correlations between assets increase markedly during market downturns, leading to diversification failure at the very moment it is needed most. The 2008 Global Financial Crisis and the 2006 hedge-fund crisis provide vivid examples, and many investors still bear the scars of heavy losses from their well-managed, well-diversified portfolios. Asymmetric Dependence in Finance shows you what went wrong, and how it can be corrected and managed before the next big threat using the latest methods and models from leading research in quantitative finance.


Franco Modigliani

Franco Modigliani
Author: M. Szenberg
Publisher: Springer
Total Pages: 223
Release: 2008-01-17
Genre: Business & Economics
ISBN: 0230582435

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Starting with an overview of Modigliani's life, the authors explain and assess his influential theories, including his theory of the life-cycle hypothesis of saving; the famous Modigliani-Miller theorem in corporate finance; stabilisation policy; econometric model building and forecasting, and his legacy and influence on contemporary economics.


General Relativity And Relativistic Astrophysics - Proceedings Of The 5th Canadian Conference

General Relativity And Relativistic Astrophysics - Proceedings Of The 5th Canadian Conference
Author: Robert B Mann
Publisher: World Scientific
Total Pages: 502
Release: 1994-08-31
Genre:
ISBN: 9814550310

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This volume contains up-to-date accounts of many of the latest developments in gravitation, cosmology and astrophysics, including papers on black hole radiation, empirical tests of gravitational theory, quantum gravity, classical and quantum cosmology, singularities, computational methods, and a number of other topics. The keynote speakers include S Carlip, M Haugan, A Linde, D Page, G Papini, K Schleich, P Szekeres, G Starkman and J York.


Emerging Tools and Strategies for Financial Management

Emerging Tools and Strategies for Financial Management
Author: Álvarez-García, Begoña
Publisher: IGI Global
Total Pages: 357
Release: 2020-02-14
Genre: Business & Economics
ISBN: 1799824411

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Over the past years, significant changes have occurred in the corporate sector arising from globalization, increasing international competitiveness, and intensive use of information and communication technologies (ICTs). These developments have led to new corporate and social behaviors that are affecting the entire corporate value chain. Thus, business organizations are focusing on technological innovation as a driving force of development. Emerging Tools and Strategies for Financial Management is a pivotal reference source that explores both practical and theoretical perspectives on how financial management is evolving and how future consequences of technological innovation will affect individuals, businesses, and society. While highlighting topics such as financial imbalance, venture capital, and shadow banking, this publication explores the relationship between companies and their customers and the methods of generating changes in today’s enterprises. This book is ideally designed for business managers, financial analysts, financial controllers, directors, finance officers, treasurers, entrepreneurs, CEOs, academicians, students, and research professionals.


The Sociology of Organizations

The Sociology of Organizations
Author: Michael J Handel
Publisher: SAGE
Total Pages: 560
Release: 2003
Genre: Business & Economics
ISBN: 9780761987666

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In introducing this reader comprising three dozen articles and critiques in organizational sociology, Handel (sociology, U. of Wisconsin-Madison) overviews definitional issues over the term organization as viewed by rational theories and open systems theories. Starting with classic theories of bur


Issues in General Physics Research: 2011 Edition

Issues in General Physics Research: 2011 Edition
Author:
Publisher: ScholarlyEditions
Total Pages: 8864
Release: 2012-01-09
Genre: Science
ISBN: 1464963282

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Issues in General Physics Research / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about General Physics Research. The editors have built Issues in General Physics Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about General Physics Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in General Physics Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.