The Relation Between Time-series and Cross-sectional Effects of Idiosyncratic Variance on Stock Returns in G7 Countries PDF Download
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Author: Hui Guo
Publisher:
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Languages : en
Pages :
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"This paper suggests that CAPM-based idiosyncratic variance (IV) correlates negatively with future stock returns because it is a proxy for loadings on discount-rate shocks in Campbell's (1993) ICAPM. The ICAPM also implies that there are important links between the time-series and cross-sectional IV effects. For example, the coefficients on conditional stock market variance and value-weighted average IV obtained from the time-series regressions reflect loadings on stock market returns and discount-rate shocks, respectively; therefore, they should help explain the cross section of stock returns. Moreover, we expect a close relation between the IV and book-to-market effects because recent studies show that the latter also reflects intertemporal pricing. These conjectures are strongly supported by the G7 countries data"--Federal Reserve Bank of St. Louis web site.
Author: Hui Guo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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"This paper suggests that CAPM-based idiosyncratic variance (IV) correlates negatively with future stock returns because it is a proxy for loadings on discount-rate shocks in Campbell's (1993) ICAPM. The ICAPM also implies that there are important links between the time-series and cross-sectional IV effects. For example, the coefficients on conditional stock market variance and value-weighted average IV obtained from the time-series regressions reflect loadings on stock market returns and discount-rate shocks, respectively; therefore, they should help explain the cross section of stock returns. Moreover, we expect a close relation between the IV and book-to-market effects because recent studies show that the latter also reflects intertemporal pricing. These conjectures are strongly supported by the G7 countries data"--Federal Reserve Bank of St. Louis web site.
Author: Hui Guo
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Consistent with the post-1962 U.S. evidence by Ang, Hodrick, Xing, and Zhang [Ang, A., Hodrick, R., Xing Y., Zhang, X., 2006. The cross-section of volatility and expected returns. Journal of Finance 51, 259-299.], we find that stocks with high idiosyncratic variance (IV) have low CAPM-adjusted expected returns in both pre-1962 U.S. and modern G7 data. We also test in three ways the conjecture that IV is a proxy of systematic risk. First, the return difference between low and high IV stocks -- that we dub as IVF -- is a priced factor in the cross-section of stock returns. Second, loadings on lagged market variance and lagged average IV account for a significant portion of variation in average returns on portfolios sorted by IV. Third, the variance of IVF correlates closely with average IV, and the two variables have similar explanatory power for the time-series and cross-sectional stock returns.
Author: Hui Guo
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Languages : en
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We argue that changes in average idiosyncratic volatility provide a proxy for changes in the investment opportunity set and that this proxy is closely related to the book-to-market factor. We test this idea in two ways using G7 countries data. First, we show that idiosyncratic volatility has statistically significant predictive power for aggregate stock market returns over time. Second, we show that idiosyncratic volatility performs just as well as the book-to-market factor in explaining the cross section of stock returns. Our results suggest that the hedge against changes in investment opportunities is an important determinant of asset prices.
Author: Mr.Allan Timmermann
Publisher: International Monetary Fund
ISBN: 1451847270
Category : Business & Economics
Languages : en
Pages : 51
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A perennial question in international finance is to what extent stock returns are influenced by country-location, as opposed to industry-affiliation, factors. This paper develops a novel methodology to measure these effects, in which portfolios mimicking "pure" country and industry factors are first constructed and their joint dynamics then modeled as regime-switching processes. Estimation using global firm-level data allows us to identify well-defined volatility states over the past thirty years and shows that the contribution of the industry factor becomes systematically more prominent during high global volatility states, while the country factor contribution declines. Using the model's estimates, we find that portfolio diversification possibilities vary considerably across economic states.
Author: Francois-Serge Lhabitant
Publisher: Elsevier
ISBN: 0081017863
Category : Mathematics
Languages : en
Pages : 276
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Book Description
Portfolio Diversification provides an update on the practice of combining several risky investments in a portfolio with the goal of reducing the portfolio's overall risk. In this book, readers will find a comprehensive introduction and analysis of various dimensions of portfolio diversification (assets, maturities, industries, countries, etc.), along with time diversification strategies (long term vs. short term diversification) and diversification using other risk measures than variance. Several tools to quantify and implement optimal diversification are discussed and illustrated. Focuses on portfolio diversification across all its dimensions Includes recent empirical material that was created and developed specifically for this book Provides several tools to quantify and implement optimal diversification
Author: Namho Kang
Publisher:
ISBN:
Category : Stocks
Languages : en
Pages : 32
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Author: Lingjia Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages : 34
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Campbell (1996) reports that, for most countries, the unconditional correlation between quarterly stock returns and consumption growth is small in magnitude and sometimes even negative. Using a bivariate GARCH framework, we examine whether the conditional correlation between stock returns and consumption is positive, even if the unconditional correlation is not. Consistent with this, we find strong evidence, both for U.S. monthly and most G7 quarterly data, that the conditional correlation between innovations in consumption growth and stock returns is positive and significant. Moreover, for six of the G7 countries, we reject the hypothesis that the correlation is constant. For three of the G7 countries (including the U.S.), the correlation is statistically higher for positive stock return shocks relative to negative stock return shocks. However, the correlation is unaffected by large movements in the stock returns for most countries. Our results support Campbell and Cochrane (1999b), who stress the importance of time-varying conditioning information for explaining asset prices. For policymakers concerned with the effect of the stock market on the real economy, our results suggest that the policy response may need to be stronger than normal when the stock market is performing better than expected. However, extreme market conditions, whether positive or negative, should not have additional effects on policy.
Author: Mr.Marco Del Negro
Publisher: International Monetary Fund
ISBN: 1451847645
Category : Business & Economics
Languages : en
Pages : 32
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We explore the link between international stock market comovement and the degree to which firms operate globally. Using stock returns and balance sheet data for companies in 20 countries, we estimate a factor model that decomposes stock returns into global, country-specific and industry-specific shocks. We find a large and highly significant link: on average, a firm raising its international sales by 10 percent raises the exposure of its stock return to global shocks by 2 percent and reduces its exposure to country-specific shocks by 1.5 percent. This link has grown stronger since the mid-1980s.
Author: Vinod Chandrashekaran
Publisher:
ISBN:
Category :
Languages : en
Pages : 256
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Author: Hui Guo
Publisher:
ISBN:
Category : Stocks
Languages : en
Pages : 41
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