Showing 141 - 150 of 653
Hausman (1978) developed a widely-used model specification test that has passed the test of time. The test is based on two estimators, one being consistent under the null hypothesis but inconsistent under the alternative, and the other being consistent under both the null and alternative...
Persistent link: https://www.econbiz.de/10010907409
The management and monitoring of very large portfolios of financial assets are routine for many individuals and organizations. The two most widely used models of conditional covariances and correlations in the class of multivariate GARCH models are BEKK and DCC. It is well known that BEKK...
Persistent link: https://www.econbiz.de/10010907410
Modelling covariance structures is known to suffer from the curse of dimensionality. In order to avoid this problem for forecasting, the authors propose a new factor multivariate stochastic volatility (fMSV) model for realized covariance measures that accommodates asymmetry and long memory....
Persistent link: https://www.econbiz.de/10010907411
New Zealand has one of the highest asthma prevalence rates among developed countries and previous research attributes this partly to poor socioeconomic conditions in certain neighborhoods and to insufficient home heating in particular. International retrospective empirical studies suggest that...
Persistent link: https://www.econbiz.de/10010907412
The purpose of the paper is to discuss ten things potential users should know about the limits of the Dynamic Conditional Correlation (DCC) representation for estimating and forecasting time-varying conditional correlations. The reasons given for caution about the use of DCC include the...
Persistent link: https://www.econbiz.de/10010907413
With the advent of globalization, economic and financial interactions among countries have become widespread. Given technological advancements, the factors of production can no longer be considered to be just labor and capital. In the pursuit of economic growth, every country has sensibly...
Persistent link: https://www.econbiz.de/10010907414
We document, describe and interpret changes in New Zealand corporate board characteristics between 1995 and 2010, a period centred around the 2003 introduction of the NZX Corporate Governance Best Practice Code. Unsurprisingly, the representation of non-executive, independent and female...
Persistent link: https://www.econbiz.de/10010907415
This study uses Monte Carlo analysis to investigate the performances of five different meta-analysis (MA) estimators: the Fixed Effects (FE) estimator, the Weighted Least Squares (WLS) estimator, the Random Effects (RE) estimator, the Precision Effect Test (PET) estimator, and the Precision...
Persistent link: https://www.econbiz.de/10010907416
This paper examines the determinants of very low birth weight infant (or neonatal) mortality using the Taiwan National Health Insurance Research database from 1997 to 2009. After infants are discharged from hospital, it is not possible to track their mortality, so the Cox proportional hazard...
Persistent link: https://www.econbiz.de/10010907417
This paper features an analysis of the relationship between the volatility of the Dow Jones Industrial Average (DJIA) Index and a sentiment news series using daily data obtained from the Thomson Reuters News Analytics (TRNA) provided by SIRCA (The Securities Industry Research Centre of the Asia...
Persistent link: https://www.econbiz.de/10010907418