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naked short selling raises both volatility and bid-ask spread, 3) Disclosure requirements raise volatility and reduce …
Persistent link: https://www.econbiz.de/10010602216
autoregressive conditional heteroscedasticity (GARCH) model were employed to evaluate event-induced abnormal returns and volatility … REITs produced positive impacts. In most cases, these events also increased asset volatility. These findings help us … understand the adjustment of stock returns and volatility due to past ownership changes, and may shed light on similar changes by …
Persistent link: https://www.econbiz.de/10010603304
This paper investigates the links between price returns for 25 commodities and stocks over the period from January 2001 to November 2011, by paying a particular attention to energy raw materials. Relying on the dynamic conditional correlation (DCC) GARCH methodology, we show that the...
Persistent link: https://www.econbiz.de/10010604039
conventional funds with similar characteristics. According to this literature, we use a traditional CAPM model that allows for … timevarying volatility to compare the risk-adjusted returns of several portfolios of SRI funds with di¤erences in the intensity of … extra-.nancial negative screening. Our key result shows that both alpha and beta are negatively correlated to the intensity …
Persistent link: https://www.econbiz.de/10010604229
mean and volatility. The endogenous structural breakpoint unit root test, ARDL model, and alternative volatility models … price while the volatility of global fertilizer prices and crude oil price from March to December 2008 are higher than in …
Persistent link: https://www.econbiz.de/10010604584
volatility functions, although we have to impose some weak regulatrity assumptions. We illustrate the use of the limit theory on …
Persistent link: https://www.econbiz.de/10010604813
This paper examines the structural determinants of output volatility in developing countries, and especially the roles … of geography and institutions. We investigate the volatility effects of market access, climate variability, the … market access: remote countries are more likely to have undiversified exports and to experience greater volatility in output …
Persistent link: https://www.econbiz.de/10010604861
stochastic volatility model. Specifically, a set of unobserved time-dependent factors, along with an associated loading matrix … series is assumed to follow independent three-parameter univariate stochastic volatility processes. A complete analysis of … truly high dimensional models of stochastic volatility. We apply our methods in detail to two datasets. The first is the …
Persistent link: https://www.econbiz.de/10010605134
Recent decades have seen a considerable expansion of global trade and a simultaneous decline in inflation volatility … effect of openness on inflation volatility. This relationship is estimated after controlling for the potential endogeneity of … relationship between openness and inflation volatility is more pronounced in developing and emerging market economies than in OECD …
Persistent link: https://www.econbiz.de/10010605138
This paper shows that realised power variation and its extension we introduce here called realised bipower variation is somewhat robust to rare jumps. We show realised bipower variation estimates integrated variance in SV models --- thus providing a model free and consistent alternative to...
Persistent link: https://www.econbiz.de/10010605142