نتایج جستجو برای: stock return volatility
تعداد نتایج: 178054 فیلتر نتایج به سال:
This paper presents a consumptiun-ba,setl model that explains Ihe equity premitim puzzle through two channels, Hirst, because of borrowing constraints, the sharehokler cannt)t completely diversify his income risk ami requires a sizable risk premium on .stocks. Second, because of limited stock market participation, the precautionary saving demand lowers the risk-free rate but not stock reiurn an...
We develop two new methods for calibrating subjective expectations regarding the return generating process (RGP) of financial assets without resorting to noisy realized returns. Using finance professionals’ expectations of average and extreme returns, volatilities, and probabilities of stocks beating bonds, we investigate what these expectations imply of other key aspects of the RGP, namely sto...
Chaoqun Ma a Hongquan Li b,*1 Lin Zou (a College of Business Administration, Hunan University, Changsha, P.R.China, 410082) (b School of Business, Hunan Normal University, Changsha, P.R.China, 410081) Abstract: The notion of long memory, or long-term dependence, has received considerable attention in empirical finance. This paper makes two main contributions. First, the paper aims to provide ev...
This paper discusses the model construction and the association between the Singapore’s and the Hong Kong’s stock markets. Simultaneously, this paper uses the high and the low oil price periods’ volatility as a threshold for the Singapore’s and the Hong Kong’s stock market returns. The study data period is from January, 2000 to September, 2004 and June, 2005 to October, 2008. This paper also ut...
The aim of this paper is to study the impact of Stock returns volatility of reference entities on credit default swap rates using a new dataset from the Japanese market. The majority of empirical research suggests the inadequacy of multinormal distribution and then the failure of methods based on correlation for measuring the structure of dependency. Using a copula approach, we can model the di...
This paper presents a simple rational expectations model of intertemporal asset pricing relating instability of stock return characteristics to heterogeneity in investor preferences. Heterogeneity is likely to generate declining aggregate relative risk aversion. This leads to variability in expected asset returns, volatility, and autocorrelation. The stronger this variability is, the more heter...
We develop a GARCH option model with a variance premium by combining the HestonNandi (2000) dynamic with a new pricing kernel. While the pricing kernel is monotonic in the stock return and in variance, its projection onto the stock return is nonmonotonic. A negative variance premium makes it appear U-shaped. We present new semi-parametric evidence to confirm this U-shaped relationship between t...
This paper studies the optimal investment strategy of an investor who can access not only the bond and the stock markets, but also the derivatives market. We focus on the investment situation where, in addition to the usual diffusive price shocks, the stock market experiences sudden price jumps and stochastic volatility, and provide closed-form solutions to the dynamic portfolio problem involvi...
We establish several new stylised facts concerning the intra-day seasonalities of stock dynamics. Beyond the well known U-shaped pattern of the volatility, we find that the average correlation between stocks increases throughout the day, leading to a smaller relative dispersion between stocks. Somewhat paradoxically, the kurtosis (a measure of volatility surprises) reaches a minimum at the open...
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