[HTML][HTML] Is gold still a safe haven for stock markets? New insights through the tail thickness of portfolio return distributions

K Echaust, M Just - Research in International Business and Finance, 2022 - Elsevier
This study examines the safe-haven property of gold during two deep financial crashes: the
global financial crisis (GFC) and the coronavirus disease 2019 (COVID-19) pandemic …

Improvements in the estimation of the Weibull tail coefficient: A comparative study

L Henriques‐Rodrigues, F Caeiro… - … Methods in the Applied …, 2024 - Wiley Online Library
The Weibull tail‐coefficient (WTC) plays a crucial role in extreme value statistics when
dealing with Weibull‐type tails. Several distributions, such as normal, Gamma, Weibull, and …

Tail dependence between crude oil volatility index and WTI oil price movements during the COVID-19 pandemic

K Echaust, M Just - Energies, 2021 - mdpi.com
This study investigates the dependence between extreme returns of West Texas
Intermediate (WTI) crude oil prices and the Crude Oil Volatility Index (OVX) changes as well …

The asymmetry of the Amihud illiquidity measure on the European markets: The evidence from Extreme Value Theory

B Będowska-Sójka, K Echaust, M Just - Journal of International Financial …, 2022 - Elsevier
This paper explores the extreme illiquidity for a sample of stocks listed on the European
stock markets. The extreme value theory tools such as an extremal index as a measure of …