Stickiness of Rental Rates and Developers’ Option Exercise Strategies

In this study we incorporate sticky rents into a real options model to rationalize the widely documented overbuilding puzzle in real estate markets. Given the assumption that developers’ objective function is to maximize total revenue by selecting an optimal occupancy level, our model provides a better explanation of the phenomena we observed in the real world than the traditional market-clearance based real options models. We also show that developers’ exercise strategies can be affected by the size and the type of property markets. In other words, developers’ exercise strategies could differ among markets and under different conditions. Submitted to Cambridge—Maastricht 2005 Symposium.     

Sequential American Exchange Property Options

Property development activities often occur in stages, which are appropriately modeled as sequential American exchange property options, where there are interim expenditures required in order to keep the property development options “alive”. Normally American exchange options require a numerical solution, but herein there is a new closed-form approximate solution, which is computationally efficient and accurate. This method combines repeats of Margrabe European exchange and Geske compound option solutions with tight upper boundaries of either American perpetuities or European exchange options with a high volatility. Illustrations are provided of the sensitivity of the real sequential options and optimal timing to changes in several parameters, which provide a framework for property policy (tax, subsidy and regulatory) guidelines and for property development strategy evaluation. There are several plausible applications of these real option models in commercial and residential property development, within commercial property leases, with regard to switching tenants, and agricultural alternatives.     

Investment decisions in the wireless industry applying real options

The wireless industry is one of the most capital intensive high-technology industries. This paper applies real options techniques to estimate investments under uncertainty in two new ventures: (a) deferral of the expansion from 2.5G to 3G networks; and (b) expansion of a 2.5G network using Wi-Fi as an alternative technology. The cases are examined and analyzed both qualitatively and quantitatively, using realistic assumptions and parameters. Investment cost, number of subscribers, pricing of services, and risk are at the core of investment decision processing. In both cases, sensitivity analysis of the value of the (real) option considering the above key parameters was conducted, to extrapolate useful findings that should be taken into consideration by the decision makers in wireless companies.     

台湾地区房屋土地保有环节税收情况

台湾地区对土地和房屋分别征税,在保有和交易环节分别设置税种。本文在介绍台湾地区房屋、土地保有环节税收情况的基础上,对大陆地区房地产税收征管工作提出了几点建议。     

房地产税收调控政策的效应分析与建议

本文梳理了2005年以来国家针对房地产投资规模过大和部分城市住房价格上涨过快状况而出台的多项税收调控措施,并通过理论和实证分析认为,房地产税收调控政策的重点应从目前对供给方征税转向对需求方征税,即在房地产保有环节征税。为此,应尽快建立起全面准确的房地产信息资料和监控系统,加快推进物业税(不动产税)的改革。     

高资本充足率一定有助于银行体系稳定吗——基于房地产调控的视角

当银行面对房地产价格冲击试图保持一定的资本充足率时,较轻的冲击就可能导致银行不稳定成为一种自我实现的结果,而当银行不维持最低资本充足率时,较为严重的房地产价格下跌才有可能导致银行的不稳定,可见,高资本充足率在一定程度上反而增加了银行体系的不稳定性。在特殊情况下,适当降低银行的资本充足率或补充资本、降低法定存款准备金率等增加银行体系流动性的政策可能是有益的。     

What do scientists know about inflation hedging?

In this article, we give an overview of the state of scientific knowledge on inflation hedging. Specifically, we distill the results of several decades of research analysing the relationship between major asset classes (common stocks, gold, fixed income securities, real estate) and inflation. Even though previous studies have brought forth important facts characterising the interplay of asset returns and inflation rates (e.g., time-dependency, asymmetry, outlier-sensitivity and a tendency towards long-term but limited short-term inflation protection), there is still no consensus on the subject because sample, data and methodology issues preclude strict comparison of most studies. Thus, from a synthesis of the insights gained from our review, we also outline possible directions for future research that may help to establish consensus among researchers.     

我国房地产交易中存在的道德风险及其治理

本文用信息经济学理论分析了我国房地产交易中开发商、中介机构可能存在的道德风险及其带来的负面影响,在此基础上,分别从开发商、政府、购房者以及中介机构四个角度提出了治理房地产交易中道德风险的方法和措施。     

Determining the optimal dimension of a work-in-process storage area

We study the problem of determining the optimal dimension of a work-in-process storage area in a two-line production system with delays and breakdowns. We propose a stochastic model and prove theoretical results that allow us to implement an exact algorithm for the solution of the model. We optimally solve a real instance and carry out a sensitivity analysis to evaluate if the optimal solution is stable when the initial data are perturbed.     

预测与对策:未来中国房地产价格走势分析——以成都市为例

全球金融危机对中国房地产价格影响很大,通过对一系列影响因素的分析,发现这一时期人们的心理预期是所有影响因素中最为敏感的因素,能严重影响中国房地产价格。研究表明,四川省成都市的房地产价格走势与全国房地产价格走势接近,因而能够以该城市的房地产价格作为研究样本,在各种心理预期量化的基础上,预测出未来三年中国房地产价格并提出了相应的政策建议。