证券投资预测的马氏链法和E-Bayes法

本文提出了两种证券投资预测方法-马氏链法和E-Bayes法.首先对数据进行分组,然后在此基础上应用马氏链法和E-Bayes法的理论建立预测模型,最后结合实际问题进行了计算,两种方法的预测结果是一致的.     

IRREVERSIBLE INVESTMENT AND OPTIMAL FOREST EXPLOITATION

A forest harvest scheduling model which includes as activities the level of investment in harvest capacity and the accumulated harvest capacity in each period, is presented. The inclusion of these activities, in addition to the harvest activities, allows for the removal of harvest-flow constraints found in more typical Model II formulations of the harvest scheduling problem. The optimal harvest and investment policy can be determined by linear programming or quadratic programming methods, depending on whether prices are constant or supply-dependent. The new model better reflects economic reality than existing models, and provides a method for determining the optimal economic development of a forest industry, and the optimal draw-down of old growth forest. Numerical examples are given.     

Capital structure of real estate assets: Theory and empirical evidence

This paper presents a model which intends to explain the capital structure of real estate assets. The model is cast in classical portfolio choice framework, but special attention is paid to the liquidity constraint. The test of this model on two assets with different capital structures (new housing and old housing in France) revealed the importance of return indicators as well as liquidity constraint in the household's financing decisions.     

Optimum inventory policies with discrete time proportional demand,discrete replenishment opportunities and different optimizing criteria

This paper extends the deterministic, single product, dynamic E0Q model to the case where demand increases linearly with time but at discrete time points and where the number of replenishments is also discrete. The problem is to find the number of orders and the replenishment schedule that will either maximize the return on the investment on inventory or minimize inventory costs. The proposed solution to either problem requires to first find the replenishment schedule that will minimize the total inventory throughout the planning horizon, for a given number of orders and then find the optimal number of replenishment points. The solution algorithms exploit the discrete nature of the demand and do not require the decomposability property of dynamic programming. This is particularly important in the return on investment case, where decomposability cannot be achieved.     

投资环境的多层次灰色评价方法研究

针对投资环境评价问题 ,应用定性与定量相结合的分析方法 ,通过建立投资环境综合评价的指标体系 ,给出了一个投资环境评价的多层次灰色评价方法 .最后给出一个实例     

投资项目选择的风险评价AHP模型及其应用

论述了投资项目选择问题的重要性 ,对常用的投资项目选择方法进行了综述分析 ,探讨了投资项目选择的风险评价指标体系和层次分析法的基本原理 ,提出了投资项目选择的风险评价层次分析模型 ,并以实例说明了如何将层次分析法应用于投资项目选择的风险评价问题 .     

交通BOT项目投资的对策分析

为了研究交通 BOT项目中政府的最优战略和私人投资者的最优战略之间的关系 ,建立了一个交通BOT项目的投资模型 ,并且采用对策论分析了该模型 ,分别为它们提出了最优战略 .在已经建立好模型后 ,证明了三个研究 Nash均衡解的存在性定理 ,并且给出了解的性质 .证明了政府和私人投资者的利益在特许权期上是一致的 ,换句话说 ,特许权期越长 ,它们的效用越高 ;特许权期越长或通行费越高 ,最优容量越大 ;容量越大 ,最优通行费越高 .     

Multiple Equilibria and Thresholds Due to Relative Investment Costs

A dynamic model of the firm is studied in which investment costs depend on the magnitude of the investment relative to the stock of capital goods. It is shown that in general nonunique steady states can exist which can be stable or unstable. It is possible that unstable steady states occur in the concave domain of the Hamiltonian. For a particular specification, a scenario occurs with two stable steady states and one unstable steady state. The two stable steady states are long run equilibria; which one of them is reached in the long run depends on the initial state. In case the Hamiltonian is locally concave around the unstable steady state, this steady state is the threshold that separates the domain of initial conditions that each of the stable steady states attracts. The unstable steady state is a node and investment is a continuous function of the capital stock. If the unstable steady state lies in the nonconcave domain of the Hamiltonian, this steady state can either be a node or a focus. Furthermore, continuity can (but need not) be retained similarly to the concave case, a fact which has been entirely overlooked in the literature.     

陆上油田开发投资规模方法研究

本介绍一种计算油田开发经济投资规模的方法，中从技术和经济角度出发，用聚类分析方法对油田进行分类，利用DESA有效性原理，建立投资规模界限值数学模型，采用数学模型研究石油勘探开发经济投资规模，为投资决策提供定量依据。     

证券投资基金管理人选择中的信号传递博弈

本文通过对证券投资基金这种资金运作方式的分析和研究,结合信号传递博弈模型,提出一种对资金管理人投资能力的评估方法.主要分析基金管理人的努力成本对最后投资能力评估结果的影响,为投资人选择基金管理人提供新的思路,也为基金管理人争取融资成功提供一定的帮助.