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排序方式： 共有121条查询结果，搜索用时 15 毫秒
31.
Fumio Hayashi 《Research in Economics》2018,72(2):181-195
We develop tools for computing equilibrium bond prices for the discrete-time version of the Vayanos–Vila (2009) model. With the maturity structure included in pricing factors, factor loadings for equilibrium bond yields depends critically on parameters describing maturity structure dynamics and other model parameters. An illustrative example shows that the effect on the yield curve of a supply shock originating in a given maturity, although hump-shaped around the originating maturity, is to change yields broadly across all maturities. 相似文献
32.
Donatien Hainaut 《Quantitative Finance》2016,16(8):1203-1218
We propose a model for short-term rates driven by a self-exciting jump process to reproduce the clustering of shocks on the Euro overnight index average (EONIA). The key element of the model is the feedback effect between the absolute value of jumps and the intensity of their arrival process. In this setting, we obtain a closed-form solution for the characteristic function for interest rates and their integral. We introduce a class of equivalent measures under which the features of the process are preserved. We infer the prices of bonds and their dynamics under a risk-neutral measure. The question of derivatives pricing is developed under a forward measure, and a numerical algorithm is proposed to evaluate caplets and floorlets. The model is fitted to EONIA rates from 2004 to 2014 using a peaks-over-threshold procedure. From observation of swap curves over the same period, we filter the evolution of risk premiums for Brownian and jump components. Finally, we analyse the sensitivity of implied caplet volatility to parameters defining the level of self-excitation. 相似文献
33.
We estimate the ‘fundamental’ component of euro area sovereign bond yield spreads, i.e. the part of bond spreads that can be justified by country-specific economic factors, euro area economic fundamentals, and international influences. The yield spread decomposition is achieved using a multi-market, no-arbitrage affine term structure model with a unique pricing kernel. More specifically, we use the canonical representation proposed by Joslin et al. (2011) and introduce next to standard spanned factors a set of unspanned macro factors, as in Joslin et al. (forthcoming). The model is applied to yield curve data from Belgium, France, Germany, Italy, and Spain over the period 2005–2013. Overall, our results show that economic fundamentals are the dominant drivers behind sovereign bond spreads. Nevertheless, shocks unrelated to the fundamental component of the spread have played an important role in the dynamics of bond spreads since the intensification of the sovereign debt crisis in the summer of 2011. 相似文献
34.
Judy A Siguaw Sheryl E Kimes Jule B Gassenheimer 《Industrial Marketing Management》2003,32(7):539-551
Firms should be able to apply the time-based philosophy of revenue management to their sales forces. To do so requires a revision in the way most sales divisions traditionally have viewed salesperson time. Hence, a different type of proposed measure, revenue per available salesperson hour, is proposed to better integrate the value of the salesperson's time as a factor in sales potential and revenue calculation. This article seeks to (1) foster a positive perception of revenue management as a viable sales approach, (2) establish a framework for such a strategy, and (3) set a useful road map for facilitating execution. 相似文献
35.
We test whether bank loans change public bond yields. A 25% increase in bank debt raises bond yields by 8 bps, reflecting a trade-off between the benefits of bank cross-monitoring and higher bond risk. This effect is smaller for firms with no credit default swaps (CDSs) and with junk debt—scenarios where bank monitoring is most valuable. It is unlikely that firms with bank debt are riskier, because they are less likely to be downgraded and have lower loan spreads. We find similar results using a natural experiment around the 2014 oil shock. Our results highlight how bond yields depend on incentive conflicts among creditors. 相似文献
36.
Semyon Malamud 《Finance and Stochastics》2008,12(2):245-264
We prove that, in a heterogeneous economy with scale-invariant utilities, the yield of a long term bond is determined by the agent with maximal expected marginal utility. We also prove that the same result holds for the long term forward rates. Furthermore, we apply Cramér’s large deviations theorem to calculate the yield of a long term European call option. It turns out that there is a threshold risk aversion such that the option yield is independent of the risk aversion when the latter is above the threshold. Surprisingly, the long term option yield is always greater than or equal to the corresponding equity return. That is, in the long run, it is more profitable to buy a long maturity call option on equity than the equity itself. 相似文献
37.
股价指数的收益率序列具有时变波动性、厚尾特征、波动性群集等特点,传统的计量分析无法刻画这些特点。文章利用ARCH族模型,选取2003年1月20日～2013年12月12日上证指数每日收益率共2621个数据对其波动进行定量与定性的分析,结果显示,上证指数日收益率存在高阶的ARCH效应,杠杆效应,波动集聚性特征,条件方差对日收益率有很强的影响,其中EGARCH模型在反映股市波动性方面优于其他模型。 相似文献
38.
关于我国无风险收益率选择研究 总被引：1，自引：0，他引：1
CAPM、APT等经济模型中都使用了——无风险收益率概念,但我国目前无论在学术界还是在实务界对无风险收益率的选择都相去甚远。本文提出了在借鉴美国投资者无风险收益率选择成功经验的基础上通过分析研究,努力找到符合标准并在我国适用的无风险收益率。 相似文献
39.
本文选取上海证券交易所中来自不同行业的30只股票作为研究对象,将百度指数提供的用户关注度数据作为投资者关注度的度量指标,通过建立面板数据模型,研究了投资者关注度对股票收益率的影响.结果发现,当期投资者关注度对股票收益率有正向影响,前期投资者关注度对股票收益率有负向影响;同时,股票平均换手率与投资者关注度与对股票收益率的影响相同,说明把股票平均换手率作为投资者关注度的替换指标具有一定的合理性. 相似文献
40.
Till Strohsal 《Quantitative Finance》2017,17(10):1509-1522
This paper examines the responsiveness of bond yields to changes in debt supply. The preferred-habitat theory predicts a positive relation between the term spread and relative supply of longer term debt, and that this relation is stronger when risk aversion is high. To capture this effect, a time-varying coefficient model is introduced and applied to German bond data. The results support the theoretical predictions and indicate substantial time variation: under high risk aversion, yield spreads react about three times more strongly than when risk aversion is low. The accumulated response of term spreads to a one standard deviation change in debt supply ranges between 4 and 46 basis points. 相似文献