Interplay of multifractal dynamics between shadow policy rates and stock markets

Stock markets are generally perceived as a barometer of the economy and respond to international monetary policies even before economic activities. Many central banks have turned to unconventional policy measures in response to various financial crises such as the global financial crisis of 2007–200...

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Veröffentlicht in:Heliyon 2023-07, Vol.9 (7), p.e18114-e18114, Article e18114
Hauptverfasser: Aslam, Faheem, Mohti, Wahbeeah, Ali, Haider, Ferreira, Paulo
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Sprache:eng
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Zusammenfassung:Stock markets are generally perceived as a barometer of the economy and respond to international monetary policies even before economic activities. Many central banks have turned to unconventional policy measures in response to various financial crises such as the global financial crisis of 2007–2009 or the recent crisis caused by COVID-19. To examine the cross-correlation of overall international monetary policies with stock markets, we employ the daily shadow short rate (SSR), which has the advantage of allowing comparison across unconventional and conventional regimes. The analysis is made through a multifractal context using multifractal detrended cross correlation analysis (MF-DXA), considering daily data from 1st January 2000 to 31st March 2022 and country specific SSR and the stock markets of eight developed economies. The main empirical findings are the following: (i) all the country specific pairs of SSR with stock markets have significant multifractal characteristics (ii) the pairs of NZ-SSR/NZX50, US-SSR/DJIA, and CN-SSR/S&P TSX have the highest multifractal patterns while EU-SSR/Euro-area Index has the lowest multifractal patterns (iii) Australian and New Zealand stock markets exhibit anti-persistent cross-correlation with SSR while the remainder have persistent cross-correlation in their multifractality. Lastly, the findings of this study have several important implications for central banks and stock market participants. •We analyze cross-correlation between shadow short rate (SSR) and stock markets.•We use multifractal detrended cross correlation analysis (MF-DXA), with daily data.•We find evidence of multifractal characteristics in the variables under analysis.•Persistent cross-correlation is found between shadow short rate (SSR) and stock markets.
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2023.e18114