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We generalize the score test for time-varying copula parameters proposed by [Abegaz & Naik-Nimbalkar, 2008] to a setting where more than one-parametric copulas can be tested for time variation in at least one parameter. In a next step we model the daily log returns of the Commerzbank stock using...
Persistent link: https://www.econbiz.de/10009234734
This paper develops a dependence-switching copula model to examine dependence and tail dependence for four different … major industrial countries over the period 1990-2010. It is found that the dependence and tail dependence among the above …
Persistent link: https://www.econbiz.de/10013107722
The objective of this paper is to analyze dependence structure between the returns of Croatian and five European stock … modeled as univariate GARCH processes and the dependence structure between the return series is defined by a copula function … European stock markets can increase to 0.77 during turbulent times. The lower and upper tail dependence dynamics between …
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The present study compares the performance of the long memory FIGARCH model, with that of the short memory GARCH specification, in the forecasting of multi-period Value-at-Risk (VaR) and Expected Shortfall (ES) across 20 stock indices worldwide. The dataset is comprised of daily data covering...
Persistent link: https://www.econbiz.de/10012910119
We examined volatility spillover effects from five prominent global stock markets to India's stock market during the pre-and-post COVID-19 outbreak using daily adjusted closing prices between January 2019 and September 2021 from six capital markets. The structural breakpoint was identified as 23...
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