Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/331609 
Year of Publication: 
2025
Series/Report no.: 
CESifo Working Paper No. 12143
Publisher: 
Munich Society for the Promotion of Economic Research - CESifo GmbH, Munich
Abstract: 
This paper examines tail connectedness between various exchange-traded funds (ETFs) focused on artificial intelligence (AI) and some traditional assets such as bonds, equities, Bitcoin, and oil, as well as the VIX uncertainty index, using US daily data over the period from 1 January 2023 to 23 June 2025. The investigation is carried out following the QVAR (Quantile VAR) approach introduced by Ando et al. (2022); this is an extension of the connectedness measure of Diebold and Yilmaz (2012, 2014) which captures the dynamic relationships between assets under different market conditions. The results show that AI and robotics ETFs, along with the S&P 500 Index, act as net transmitters of shocks, while other assets and the VIX serve as net receivers. Furthermore, connectedness intensifies under extreme market conditions. These findings suggest that technology ETFs play a central role in shock transmission and could be effectively employed for hedging purposes. Our findings provide valuable information to investors for diversification and hedging purposes, and to policy makers for maintaining financial stability, particularly during periods of market turbulence.
Subjects: 
exchange-traded funds (ETFs)
artificial intelligence (AI)
connectedness
quantile VAR (QVAR)
JEL: 
C32
G11
Document Type: 
Working Paper
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