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排序方式: 共有2078条查询结果,搜索用时 15 毫秒
51.
SERGIO A. LAGO ALVES 《Journal of Money, Credit and Banking》2018,50(4):637-673
The literature has long agreed that the DMP model (after Diamond 1982, Mortensen 1982, Pissarides 1985) with search and matching frictions in the labor market can deliver large volatilities in labor market quantities, consistent with empirical data, only if there is at least some wage stickiness. I show, however, that the model can deliver nontrivial volatilities without wage stickiness, as long as it has price dispersion and nonzero long‐run inflation rates. I find that by keeping inflation at a positive rate, monetary policy may be accountable for the large standard deviations observed on labor market variables. In addition, the Shimer (2005) puzzle disappears under monetary policy shocks. 相似文献
52.
Inflation expectations play a key role in determining future economic outcomes. The associated uncertainty provides a direct gauge of how well‐anchored the inflation expectations are. We construct a model‐based measure of inflation expectations uncertainty by augmenting a standard unobserved components model of inflation with information from noisy and possibly biased measures of inflation expectations obtained from financial markets. This new model‐based measure of inflation expectations uncertainty is more accurately estimated and can provide valuable information for policymakers. Using U.S. data, we find significant changes in inflation expectations uncertainty during the Great Recession. 相似文献
53.
Wendong Zheng 《Quantitative Finance》2013,13(12):2011-2019
We derive efficient and accurate analytic approximation formulas for pricing options on discrete realized variance (DRV) under affine stochastic volatility models with jumps using the partially exact and bounded (PEB) approximations. The PEB method is an enhanced extension of the conditioning variable approach commonly used in deriving analytic approximation formulas for pricing discrete Asian style options. By adopting either the conditional normal or gamma distribution approximation based on some asymptotic behaviour of the DRV of the underlying asset price process, we manage to obtain PEB approximation formulas that achieve a high level of numerical accuracy in option values even for short-maturity options on DRV. 相似文献
54.
《新兴市场金融与贸易》2013,49(4):78-89
Volatility spillovers among the stock markets of Bahrain, Kuwait, and Saudi Arabia are investigated using the concept of stochastic volatility and structural time-series modeling. The results reveal volatility spillovers, in which the Kuwait market plays the major role. It is also found that volatility in one market cannot be explained fully in terms of volatility in the other two markets, but that, out of the three markets, the Kuwait market seems to be the most influential. Some explanations are put forward for why this is the case. 相似文献
55.
Gabriel Rodrigo Gomes Pessanha Nádia Campos Pereira Bruhn Cristina Lelis Leal Calegario Thelma Sáfadi Leiziane Neves de Ázara 《Latin American Business Review》2013,14(4):333-357
The main objective of this research was to investigate the impacts caused by announcements of mergers and acquisitions (M&As) on the volatility of the returns of Brazilian bank stocks from 1994 to 2015. In order to achieve the proposed objective, this study applied Generalized Autoregressive Conditional Heteroscedastic (GARCH) class models to the series to model their volatility. Our results confirmed the impact of the announcement of M&As on volatility. They suggest that M&A announcements are expected to cause a negative reaction if related to an expansion or a deal involving a less-well known bank, and a positive reaction if it involves well-known bank with good reputation—a higher level of confidence and a lower level of information asymmetry for investors. 相似文献
56.
Jack Cadeaux Larry Yee 《International Review of Retail, Distribution & Consumer Research》2013,23(5):537-552
This study develops and tests a model of how category assortment, category stock level and within-category stock allocation decisions might affect category sales and stock turnover and reflect category-varying levels of sales heterogeneity and sales volatility. In doing so, it addresses recent calls to consider multiple dimensions of assortment planning. It uses the cash-and-carry wholesaling setting to isolate non-space-related assortment planning and performance variables otherwise difficult to treat in a conventional retailing (e.g. supermarket) context. It develops a structural equation model of how category sales volatility and heterogeneity, as antecedents, might influence both category assortments and stock allocations and thus, in turn, influence category performance. 相似文献
57.
Charlie X. Cai Robert W. Faff David J. Hillier Michael D. McKenzie 《Review of Quantitative Finance and Accounting》2006,27(2):125-142
This article empirically investigates the exposure of country-level conditional stock return volatilities to conditional global
stock return volatility. It provides evidence that conditional stock market return volatilities have a contemporaneous association
with global return volatilities. While all the countries included in the study exhibited a significant and positive relationship
to global volatility, emerging market volatility exposures were considerably higher than developed market exposures.
JEL Classification G12 相似文献
58.
In Joon Kim In-Seok Baek Jaesun Noh Sol Kim 《Review of Quantitative Finance and Accounting》2007,29(1):69-110
This paper investigates the role of stochastic volatility and return jumps in reproducing the volatility dynamics and the
shape characteristics of the Korean Composite Stock Price Index (KOSPI) 200 returns distribution. Using efficient method of
moments and reprojection analysis, we find that stochastic volatility models, both with and without return jumps, capture
return dynamics surprisingly well. The stochastic volatility model without return jumps, however, cannot fully reproduce the
conditional kurtosis implied by the data. Return jumps successfully complement this gap. We also find that return jumps are
essential in capturing the volatility smirk effects observed in short-term options.
相似文献
Sol KimEmail: |
59.
我国股指期货与现货市场信息传递与波动溢出关系研究 总被引:4,自引:0,他引:4
股指期货与现货市场关系是监管者关注的重点问题。本文采用我国股指期货上市以来1分钟级高频数据,应用向量误差修正模型、方差分解、多元T-GARCH等,考察期现两市信息传递、波动溢出效应的影响。实证结果表明,尽管股指期货和股票市场之间短期内存在相互引导关系,但股票市场价格变动更多来自于自身影响,起主导作用,而且两市长期均衡收敛也是以股票市场占主导地位;两市存在显著的双向波动溢出,期货市场的波动溢出效应强于股票市场的波动溢出效应;两市场存在明显的非对称效应,期货市场对坏消息更为敏感,而现货市场对好消息更为敏感。 相似文献
60.
This study presents an innovative perspective on the dynamic interdependence of Asian currency markets, focusing particularly on the intermediating role of the Chinese renminbi (CNY) in introducing the co-movement between non-major Asian currencies. In this regard, the multivariate factor stochastic volatility (SV) model is estimated and continuous wavelet analysis is applied. The novelty of this study is that it employs wavelet coherence analysis to identify the localized time-varying co-movement of Asian currencies and their lead–lag relations specific to a particular scale and thus investment horizon. Furthermore, the CNY’s intermediating role in inducing co-movement between Asian currencies is examined by applying dynamic partial correlation analysis based on the multivariate factor SV model and partial wavelet coherence analysis, which evaluate the degree of the co-movement between Asian currencies after controlling for the common influence of the CNY. The results clearly indicate the prominent role of the CNY in facilitating region-wide connectedness of Asian currency markets. 相似文献