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This paper examines the relationship between idiosyncratic risk and stock returns in BRICS (Brazil, Russia, India, China, and South Africa) countries by applying parametric and nonparametric approaches. It also explores the idiosyncratic risk puzzle by dividing firms into groups based on...
Persistent link: https://www.econbiz.de/10014307488
The efficient market hypothesis describes an efficient market as one in which investors cannot consistently predict stock returns because prices instantly reflect all the information flowing into the market. However, return predictability has been documented in many markets. This study tests the...
Persistent link: https://www.econbiz.de/10013179575
This paper studies the historical time-varying dynamics of risk for individual stocks in the U.S. market. Total risk of an individual stock is decomposed into two components, systematic risk and idiosyncratic risk, and both components are studied separately. We start from the historical trend in...
Persistent link: https://www.econbiz.de/10012628441
time-varying parameter vector autoregression with stochastic volatility. The empirical analysis reveals several new …
Persistent link: https://www.econbiz.de/10012594935
We investigate the risk-return trade-off on the US and European stock markets. We investigate the non-linear risk-return trade-off with a special eye to the tails of the stock returns using quantile regressions. We first consider the US stock market portfolio. We find that the risk-return...
Persistent link: https://www.econbiz.de/10012587977
We study the temporal behavior of the cross-sectional distribution of assets' market exposure, or betas, using a large panel of high-frequency returns. The asymptotic setup has the sampling frequency of returns increasing to infinity, while the time span of the data remains fixed, and the...
Persistent link: https://www.econbiz.de/10012598456
This study aims to identify firm characteristics that affect the cross-firm variation in oil-stock interactions. A panel data analysis with a sample of U.S. and Canadian firms reveals that the stock price sensitivity to crude oil price returns is negatively and significantly associated with firm...
Persistent link: https://www.econbiz.de/10013179571
conditional volatility and strongly support the estimation of dynamic returns that allow for time-varying correlations. A …This study examines the statistical properties required to model the dynamics of both the returns and volatility series … adequately estimate long-memory dynamics in returns and volatility. The in-sample diagnostic tests as well as out …
Persistent link: https://www.econbiz.de/10013272684
The present research investigates the impact of trading volume on stock return volatility using data from the Greek … banking system. For our analysis, the empirical study uses daily measures of volatility constructed from intraday data for the … on stock return volatility mainly in all quantiles. The findings extrapolated are of relevance and interest to financial …
Persistent link: https://www.econbiz.de/10012509058
growing importance of emerging markets, the literature on the nature of volatility in global markets is typified by … volatility in developed G7 and emerging BRICS markets. Broad market index data and GARCH models over the period 2003 …:01–2020:08 were employed. The study found evidence of volatility persistence, asymmetry, mean reversion and weak evidence of a risk …
Persistent link: https://www.econbiz.de/10012872753