Showing 1 - 10 of 619
This paper uses R/S analysis and fractional integration techniques to examine the persistence of two sets of 12 ESG and conventional stock price indices from the MSCI database over the period 2007-2020 for a large number of both developed and emerging markets. Both sets of results imply that...
Persistent link: https://www.econbiz.de/10012520863
This paper proposes a long-memory model including multiple cycles in addition to the long-run component. Specifically, instead of a single pole or singularity in the spectrum, it allows for multiple poles and thus different cycles with different degrees of persistence. It also incorporates...
Persistent link: https://www.econbiz.de/10014470433
This paper compares volatility forecasts for the RTS Index (the main index for the Russian stock market) generated by … alternative models, specifically option-implied volatility forecasts based on the Black-Scholes model, ARCH/GARCH-type model … information content). Various forecasting performance tests are carried out which suggest that both implied volatility and …
Persistent link: https://www.econbiz.de/10011997328
Releases of key macroeconomic indicators are closely watched by financial markets. We investigate the role of expectation dispersion and economic uncertainty for the stock-market reaction to indicator releases. We find that the strength of the financial market response to news decreases with the...
Persistent link: https://www.econbiz.de/10012404549
This study examines the impact of investors' buy and sell trades on Korean stock market volatility across two crisis … on volatility that depends on the type of investor trading and on the phase of the business cycle. Buy orders appear to … be more informative than sell orders since they mostly lower volatility in the pre-crisis periods, while sell and post …
Persistent link: https://www.econbiz.de/10012138660
, though their volatility persistence has decreased. …
Persistent link: https://www.econbiz.de/10012653308
This paper analyses the impact of the Covid-19 pandemic on stock market returns and their volatility in the case of the … particularly severe Covid-19 conditions decrease returns in the non-G7 countries whilst increase volatility in the G7 ones. Fiscal …
Persistent link: https://www.econbiz.de/10012622463
estimation of a GARCH (1,1) model for stock returns shows that their conditional volatility is characterised by lower persistence …
Persistent link: https://www.econbiz.de/10014578571
In this paper we have assessed an influence of the NYSE Stock Exchange indexes (DJIA and NASDAQ) and European Stock indexes (DAX and FTSE) on the Warsaw Stock Exchange index WIG within a framework of a GARCH model. By applying a procedure of checking predictive quality of econometric models as...
Persistent link: https://www.econbiz.de/10003202866
describe the most typical features of capital markets like volatility clustering, excess kurtosis and fat tails. As empirical … evidence shows asymmetry is also a prominent feature of stock market returns volatility. The reaction of risk if stock returns … ; volatility ; stock market ; transition …
Persistent link: https://www.econbiz.de/10003942099