Generalizations of Ho–Lee’s binomial interest rate model I: from one- to multi-factor

In this paper a multi-factor generalization of Ho–Lee model is proposed. In sharp contrast to the classical Ho–Lee, this generalization allows for those movements other than parallel shifts, while it still is described by a recombining tree, and is a process with stationary independent increments to be compatible with principal component analysis. Based on the model, generalizations of duration-based hedging are proposed. A continuous-time limit of the model is also discussed. This research was supported by Open Research Center Project for Private Universities: matching fund subsidy from MEXT, 2004–2008 and also by Grants-in-Aids for Scientific Research (No. 18540146) from the Japan Society for Promotion of Sciences.     

Riding the swaption curve

We conduct an empirical analysis of the term structure in the volatility risk premium in the fixed income market by constructing long-short combinations of two at-the-money straddles for the four major swaption markets (USD, JPY, EUR and GBP). Our findings are consistent with a concave, upward-sloping maturity structure for all markets, with the largest negative premium for the shortest term maturity. The fact that both delta–vega and delta–gamma neutral straddle combinations earn positive returns that seem uncorrelated suggests that the term structure is affected by both jump risk and volatility risk. The results seem robust for macroeconomic announcements and the specific model choice to estimate the risk exposures for hedging.     

Liquidity risk and policy options

On the basis of a liquidity management model, liquidity risks, defined as the probability of payment failures in a real-time gross settlement (RTGS) payment system, may either stem from liquidity management inefficiencies or insufficient cash balances. I will show that penalties charged on the amount of payment failures minimise liquidity risks without interfering with the bank’s technology preferences. I will instead show that liquidity requirements, although as effective as penalties to contain the risk of liquidity shortage, may distort the bank’s technology preferences and cannot stem liquidity management inefficiencies. I will also show that liquidity risks within RTGS payment systems are potentially smaller because they depend more on the liquidity management efficiency than on the randomness of cash inflows and outflows.     

Japanese economy and the its exchange rate from 1985 to 2010

The paper tries to analyze the interaction between Japanese exchange rate and its domestic economy from 1985 to 2010. By employing the Mundell-Fluming model, the paper is designed to shed light on the factors that determined the exchange rate and the impact of the exchange rate on the economy, the theoretical result of the model will be enhanced with the help of graphs and statistical numbers, by the end of the paper; it concludes the important policy implication for the monetary policy and exchange rate policy.     

服务出口与实际汇率动态关系分析:基于美国数据的考察

基于代表性家庭追求效用最大化,文中构建了一个由外国实际收入、汇率水平、货物出口以及经GARCH(1,1)模型估计所得条件方差作为汇率风险代理变量组成的服务出口方程.采用自回归分布滞后估计方程参数,并将汇率变动影响货物出口进而传导至服务出口的间接效应纳入分析框架.估计结果显示,汇率水平变动与服务出口之间存在负相关关系,而...     

货币政策对房价的影响：一个文献综述

通过文献资料法和比较分析法,评述有关货币政策对房价影响的研究方法与研究结论。研究成果：（1）房价与利率问题正日益受到各界关注;（2）房价与利率的关系,学者之间研究的结论不相同,有的学者认为利率对房价产生影响,有的学者认为利率对房价没有影响。研究启示：货币政策与房价的关系还需进一步研究,调控政策还需要不断地完善。     

金融危机以来我国沿海港口货物吞吐量影响因素研究——兼论我国经济由外需拉动向内需驱动转型的一个证据

通过建立基于贸易引力模型的我国沿海港口货物吞吐量影响因素的VAR模型,分别考察了交通运输业固定投资、人民币汇率、世界经济状况和国内经济状况对我国沿海港口货物吞吐量的影响,并以金融危机以来的数据作为样本对该模型进行了实证检验。由脉冲响应和方差分解分析发现:世界经济发展状况对我国沿海港口货物吞吐量的影响最大,且世界经济的复苏将显著提高沿海港口货物吞吐量;交通运输业固定投资在经过一个滞后期后,也会对沿海港口货物吞吐量起到积极的作用;人民币汇率对我国沿海港口货物吞吐量的影响不可忽略,且汇率上升(即本币贬值)将提高沿海港口货物吞吐量;而国内经济发展状况则与我国沿海港口货物吞吐量之间并不存在显著的确定关系,这或表明我国经济的发展方式正由外需拉动向内需驱动转型。     

随机利率影响下信用风险的Monte—Carlo模拟

在前人利用马尔科夫链表示公司信用等级的基础上,将信用等级和随机利率引入离散时间的信用风险模型中,从而提出随机利率影响下的新的信用风险模型。就上述模型,对不同初始信用等级、初始盈余以及不同时刻的破产概率进行Monte—Carlo模拟,并讨论了相同条件下初始盈余与破产概率、初始信用等级与破产概率以及时间长短与破产概率之间的相互关系。     

The organic industry in Australia: Current and future trends

Accurate information is critical for investment, policy alignment and to support agricultural development. In Australia information relating to the size, growth, current and future value of the organic sector has been incoherent and, in some cases, contradictory. This study seeks to address this gap by synthesising industry and government data with the results of an online quantitative survey as well as a series of in-depth interviews to capture the value added component of the organic industry in Australia. By sub-dividing the total organic industry into thirteen categories which makes for meaningful analysis and interpretation, we aimed to estimate the compound average growth rate, the current value added and future trends in the Australian organic industry. This has resulted in some interesting findings, hence the methodology could potentially serve as a benchmark for the reporting of organic food growth globally. The findings also have important implications for various stakeholders including, growers of organic products, investors, land use policy makers and industry operators.     

三里坪大坝两岸工程地质特征差异分析

三里坪水电站大坝为建造在复杂构造背景下的碾压混凝土双曲拱坝,大坝两岸工程地质特征差异明显,主要表现为大坝左右两岸断层和裂隙的组合形式有明显差异,设计及施工中需针对大坝两岸差异性工程地质缺陷采取不同的应对方案。简要介绍了三里坪水电站复杂构造背景下的大坝工程地质特征,并据此对左岸底滑面和右岸侧滑面作了地质模型概化。分析结果给坝肩抗滑稳定计算提供了理论依据。