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Unit Root Tests For Time Series With Level Shifts
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Book Synopsis Comparison of Unit Root Tests for Time Series with Level Shifts by : Markku Lanne
Download or read book Comparison of Unit Root Tests for Time Series with Level Shifts written by Markku Lanne and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unit root tests are considered for time series which have a level shift at a known point in time. The shift can have a very general nonlinear form, and additional deterministic mean and trend terms are allowed for. Prior to the tests, the deterministic parts and other nuisance parameters of the data generation process are estimated in a first step. Then, the series are adjusted for these terms and unit root tests of the Dickey-Fuller type are applied to the adjusted series. The properties of previously suggested tests of this sort are analysed and modifications are proposed which take into account estimation errors in the nuisance parameters. An important result is that estimation under the null hypothesis is preferable to estimation under local alternatives. This contrasts with results obtained by other authors for time series without level shifts.
Book Synopsis Comparison of Unit Root Tests for Time Series with Level Shifts by : Markku Lanne
Download or read book Comparison of Unit Root Tests for Time Series with Level Shifts written by Markku Lanne and published by . This book was released on 1999 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unit Root Tests for Time Series with Level Shifts by : Markku Lanne
Download or read book Unit Root Tests for Time Series with Level Shifts written by Markku Lanne and published by . This book was released on 2001 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing for Unit Roots in Autoregressions with Multiple Level Shifts by :
Download or read book Testing for Unit Roots in Autoregressions with Multiple Level Shifts written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The asymptotic distributions of Augmented-Dickey-Fuller (ADF) unit root tests for autoregressive processes with a unit or near-unit root are discussed in the presence of multiple stochastic level shifts of large size occurring independently in time. The distributions depend on a Brownian motion and a Poisson-type jump process. Due to the latter, tests based on standard critical values experience power losses increasing rapidly with the number and the magnitude of the shifts. A new approach to unit root testing is suggested which requires no knowledge of either the location or the number of level shifts, and which dispenses with the assumption of independent shift occurrence. It is proposed to remove possible shifts from a time series by weighting its increments according to how likely it is, with respect to an ad hoc postulated distribution, a shift to have occurred in each period. If the number of level shifts is bounded in probability, the limiting distributions of the proposed test statistics coincide with those of ADF statistics under standard conditions. A Monte Carlo experiment shows that, despite their generality, the new tests perform well in finite samples.
Book Synopsis Unit Root Tests in Time Series Volume 2 by : K. Patterson
Download or read book Unit Root Tests in Time Series Volume 2 written by K. Patterson and published by Springer. This book was released on 2012-07-05 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: Testing for a Unit Root is now an essential part of time series analysis but the literature on the topic is so large that knowing where to start is difficult even for the specialist. This book provides a way into the techniques of unit root testing, explaining the pitfalls and nonstandard cases, using practical examples and simulation analysis.
Book Synopsis Almost All About Unit Roots by : In Choi
Download or read book Almost All About Unit Roots written by In Choi and published by Cambridge University Press. This book was released on 2015-05-12 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many economic theories depend on the presence or absence of a unit root for their validity, making familiarity with unit roots extremely important to econometric and statistical theory. This book introduces the literature on unit roots in a comprehensive manner to empirical and theoretical researchers in economics and other areas.
Book Synopsis Analysis of Integrated and Cointegrated Time Series with R by : Bernhard Pfaff
Download or read book Analysis of Integrated and Cointegrated Time Series with R written by Bernhard Pfaff and published by Springer Science & Business Media. This book was released on 2008-09-03 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed for self study. The reader can apply the theoretical concepts directly within R by following the examples.
Book Synopsis Introduction to Statistical Time Series by : Wayne A. Fuller
Download or read book Introduction to Statistical Time Series written by Wayne A. Fuller and published by John Wiley & Sons. This book was released on 2009-09-25 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of time series is of considerable interest, especiallyamong researchers in econometrics, engineering, and the naturalsciences. As part of the prestigious Wiley Series in Probabilityand Statistics, this book provides a lucid introduction to thefield and, in this new Second Edition, covers the importantadvances of recent years, including nonstationary models, nonlinearestimation, multivariate models, state space representations, andempirical model identification. New sections have also been addedon the Wold decomposition, partial autocorrelation, long memoryprocesses, and the Kalman filter. Major topics include: * Moving average and autoregressive processes * Introduction to Fourier analysis * Spectral theory and filtering * Large sample theory * Estimation of the mean and autocorrelations * Estimation of the spectrum * Parameter estimation * Regression, trend, and seasonality * Unit root and explosive time series To accommodate a wide variety of readers, review material,especially on elementary results in Fourier analysis, large samplestatistics, and difference equations, has been included.
Book Synopsis Nonlinear Statistical Modeling by : Takeshi Amemiya
Download or read book Nonlinear Statistical Modeling written by Takeshi Amemiya and published by Cambridge University Press. This book was released on 2001-01-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection investigates parametric, semiparametric, nonparametric, and nonlinear estimation techniques in statistical modeling.
Book Synopsis Uncertainty, Expectations and Asset Price Dynamics by : Fredj Jawadi
Download or read book Uncertainty, Expectations and Asset Price Dynamics written by Fredj Jawadi and published by Springer. This book was released on 2018-11-30 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written in honor of Emeritus Professor Georges Prat (University of Paris Nanterre, France), this book includes contributions from eminent authors on a range of topics that are of interest to researchers and graduates, as well as investors and portfolio managers. The topics discussed include the effects of information and transaction costs on informational and allocative market efficiency, bubbles and stock price dynamics, paradox of rational expectations and the principle of limited information, uncertainty and expectation hypotheses, oil price dynamics, and nonlinearity in asset price dynamics.
Book Synopsis Time Series Models for Business and Economic Forecasting by : Philip Hans Franses
Download or read book Time Series Models for Business and Economic Forecasting written by Philip Hans Franses and published by Cambridge University Press. This book was released on 2014-04-24 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: With a new author team contributing decades of practical experience, this fully updated and thoroughly classroom-tested second edition textbook prepares students and practitioners to create effective forecasting models and master the techniques of time series analysis. Taking a practical and example-driven approach, this textbook summarises the most critical decisions, techniques and steps involved in creating forecasting models for business and economics. Students are led through the process with an entirely new set of carefully developed theoretical and practical exercises. Chapters examine the key features of economic time series, univariate time series analysis, trends, seasonality, aberrant observations, conditional heteroskedasticity and ARCH models, non-linearity and multivariate time series, making this a complete practical guide. Downloadable datasets are available online.
Book Synopsis Unit Root Tests and Structural Breaks by : Paramsothy Silvapulle
Download or read book Unit Root Tests and Structural Breaks written by Paramsothy Silvapulle and published by . This book was released on 1995 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Developments in Time Series Econometrics by : Jean-Marie Dufour
Download or read book New Developments in Time Series Econometrics written by Jean-Marie Dufour and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains eleven articles which provide empirical applications as well as theoretical extensions of some of the most exciting recent developments in time-series econometrics. The papers are grouped around three broad themes: (I) the modeling of multivariate times series; (II) the analysis of structural change; (III) seasonality and fractional integration. Since these themes are closely inter-related, several other topics covered are also worth stressing: vector autoregressive (VAR) models, cointegration and error-correction models, nonparametric methods in time series, and fractionally integrated models. Researchers and students interested in macroeconomic and empirical finance will find in this collection a remarkably representative sample of recent work in this area.
Book Synopsis China in the World Economy by : Zhongmin Wu
Download or read book China in the World Economy written by Zhongmin Wu and published by Routledge. This book was released on 2009-03-30 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: China's economy continues to grow at a great rate, with important consequences for China's society and environment, as well as for the wider world economy. Reforms are being undertaken in many areas within China, both to encourage continued economic growth and also to mitigate the adverse effects of growth on society and the environment. This book, based on extensive original research by a wide range of leading experts, examines many key issues connected to China's economic growth and its impact. Subjects covered amongst many others include: growth and inequality; labour market reforms; technological innovations and their impact; employment, unemployment and training; and the search for economic development that is ecologically sustainable.
Book Synopsis Time Series Models for Business and Economic Forecasting by :
Download or read book Time Series Models for Business and Economic Forecasting written by and published by Cambridge University Press. This book was released on with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Model Reduction Methods for Vector Autoregressive Processes by : Ralf Brüggemann
Download or read book Model Reduction Methods for Vector Autoregressive Processes written by Ralf Brüggemann and published by Springer Science & Business Media. This book was released on 2012-09-25 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. 1 Objective of the Study Vector autoregressive (VAR) models have become one of the dominant research tools in the analysis of macroeconomic time series during the last two decades. The great success of this modeling class started with Sims' (1980) critique of the traditional simultaneous equation models (SEM). Sims criticized the use of 'too many incredible restrictions' based on 'supposed a priori knowledge' in large scale macroeconometric models which were popular at that time. Therefore, he advo cated largely unrestricted reduced form multivariate time series models, unrestricted VAR models in particular. Ever since his influential paper these models have been employed extensively to characterize the underlying dynamics in systems of time series. In particular, tools to summarize the dynamic interaction between the system variables, such as impulse response analysis or forecast error variance decompo sitions, have been developed over the years. The econometrics of VAR models and related quantities is now well established and has found its way into various textbooks including inter alia Llitkepohl (1991), Hamilton (1994), Enders (1995), Hendry (1995) and Greene (2002). The unrestricted VAR model provides a general and very flexible framework that proved to be useful to summarize the data characteristics of economic time series. Unfortunately, the flexibility of these models causes severe problems: In an unrestricted VAR model, each variable is expressed as a linear function of lagged values of itself and all other variables in the system.
Book Synopsis Theory of Cryptography by : Joe Kilian
Download or read book Theory of Cryptography written by Joe Kilian and published by Springer Science & Business Media. This book was released on 2005-01-31 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Second Theory of Cryptography Conference, TCC 2005, held in Cambridge, MA, USA in February 2005. The 32 revised full papers presented were carefully reviewed and selected from 84 submissions. The papers are organized in topical sections on hardness amplification and error correction, graphs and groups, simulation and secure computation, security of encryption, steganography and zero knowledge, secure computation, quantum cryptography and universal composability, cryptographic primitives and security, encryption and signatures, and information theoretic cryptography.
