西部新型工业化道路的特殊性及战略选择

西部目前正处于工业化初期向中期过渡期,加深工业化仍然是一项艰巨的历史性任务。由于西部工业基础薄弱,结构不尽合理,且信息化、现代化程度低,与东部发达地区相比,西部新型工业化道路具有特殊性。因此,优化西部地区产业结构、提高现代化新技术水平,用资源引进资本以及推动农业工业化等,是西部新型工业化的必由之路。     

论国企改革中的不可信威胁、监督制衡与路径选择

虽然大多数国有企业都进行了公司制改造,但是效益并没有得到明显的改善.一方面,所有公司治理机制的有效性最终都取决于在市场竞争中失败成为一个可信威胁,而对于许多国有企业来说,在政府"父爱"的关怀下,这种威胁是不可信的,这使得国有企业经营者没有压力进行创新,得过且过,效益低下是自然的结果.另一方面,国有企业的投资者、债权人只有弱的动力去监督国有企业,国有企业也并没有建立起内部的制衡机制,这使得国有企业的"内部人控制"现象仍很突出,经营者可以"任我行".我们认为国有企业低效与其独特的产权制度密不可分,国有资产分步骤、有条理、有规则地退出竞争性领域,这是改革的关键.引进机构投资者,加强市场监督,加大剩余索取权在企业从业人员中的分享程度也是促进国有企业公司制改革,提高国有企业运营效率必不可少的环节.     

Assessing the Least Squares Monte-Carlo Approach to American Option Valuation

A detailed analysis of the Least Squares Monte-Carlo (LSM) approach to American option valuation suggested in Longstaff and Schwartz (2001) is performed. We compare the specification of the cross-sectional regressions with Laguerre polynomials used in Longstaff and Schwartz (2001) with alternative specifications and show that some of these have numerically better properties. Furthermore, each of these specifications leads to a trade-off between the time used to calculate a price and the precision of that price. Comparing the method-specific trade-offs reveals that a modified specification using ordinary monomials is preferred over the specification based on Laguerre polynomials. Next, we generalize the pricing problem by considering options on multiple assets and we show that the LSM method can be implemented easily for dimensions as high as ten or more. Furthermore, we show that the LSM method is computationally more efficient than existing numerical methods. In particular, when the number of assets is high, say five, Finite Difference methods are infeasible, and we show that our modified LSM method is superior to the Binomial Model.     

Optimal pair-trading strategy over long/short/square positions—empirical study

Suzuki [Automatica, 2016, 67, 33–45] solves the optimal, finitely iterative, three-regime switching problem for investing in a mean-reverting asset that follows an Ornstein–Uhlenbeck price process and find explicit solutions. The remarkable feature of this model is that the investor can explicitly take either a long, short or square position and can switch the position, with transaction costs, during the investment period. We run empirical simulations of such multiple-regime switching models. There are very few such attempts in the existing literature because it is difficult to find, first, an explicit solution to the problem and second, appropriate financial assets that follow the artificial stochastic process required by the mathematical model. According to the Monte Carlo simulations of the optimal pair-trading strategy, the mean daily Sharp ratio is more than 2.3, whereas the mean Sharp ratio for the historical simulation of the ‘stub’ pairs (combinations of parent/subsidiary companies) is 0.6886. We believe that the results obtained from performing the empirical simulations are remarkable and consider that the optimal switching strategy of the rigorous mathematical model is applicable to businesses in the real world. For the reference many pseudo-program codes are added, which can help to replicate the optimal trading strategies.     

A Multiple and Partial Wavelet Analysis of the Oil Price,Inflation, Exchange Rate,and Economic Growth Nexus in Saudi Arabia

This article provides a fresh insight into the dynamic nexus between oil prices, the Saudi/US dollar exchange rate, inflation, and output growth rate in Saudi Arabia’ economy, using novel Morlet’ wavelet methods. Specifically, it implements various tools of methodology: the continuous wavelet power spectrum, the cross-wavelet power spectrum, the wavelet coherency, the multiple and the partial wavelet coherence to the annual sample period 1969–2014. Our results unveil that the relationships among the variables evolve through time and frequency. From the time-domain view, we show strong but non-homogenous linkages between the four variables. From the frequency-domain view, we uncover significant wavelet coherences and strong lead-lag relationships. From an economic view, the wavelet analysis shows that Saudi economy is still exposed to several global risk factors, which are mainly related to the oil market volatility, and the pegging of the local currency to the US dollar. Such risk factors strongly and negatively affect the real economic growth, exert more pressure on inflation, and substantially limit the freedom to pursue an independent monetary policy.     

Location choice in low-income countries: Evidence from Japanese investments in East Asia

Unlike most existing studies, this paper examines the location choices of multinational enterprises (MNEs) in low-income countries. Specifically, we investigate the location choices of Japanese MNEs among East Asian developing countries by estimating a four-stage nested logit model and a mixed logit model at the province level. Our findings are as follows. First, Japanese MNEs consider Cambodia, Laos, Myanmar, and Vietnam to be host countries different from China and the forerunners of ASEAN. In other words, for Japanese investors, ASEAN forerunners are countries replaceable by China. Second, the mechanics of vertical FDI are more likely to appear in FDIs in low-income countries. For example, rather than the market size of the host country, tariff rates on products from investing countries are more crucial location elements.     

Integrating corporate ownership and pension fund structures: A general equilibrium approach

This paper studies pension fund design in the context of investment in the debt and equity of a firm. We employ a general equilibrium framework to demonstrate that: (i) the asset location ‘puzzle’ is purely a partial equilibrium phenomenon, conceived in a risk neutral setting, that disappears with the introduction of sufficient risk aversion; (ii) the inability of policy makers to manage an economy with multiple firms yields a mixed equilibrium, where bonds are observed in both taxable and tax-deferred accounts; and (iii) the Pareto-efficient pension plan comprises of a defined benefit plan.     

Strategic location choice under dynamic oligopolistic competition and spillovers

This paper investigates firms׳ optimal location choices explicitly accounting for the role of inwards and outwards knowledge spillovers in a dynamic Cournot oligopoly with firms that are heterogeneous in their ability to carry out cost-reducing R&D. Firms can either locate in an industrial cluster or in isolation. Technological spillovers are exchanged between the firms located in the cluster. It is shown that a technological leader has an incentive to locate in isolation only if her advantage exceeds a certain threshold, which is increasing in firms׳ discount rate, in industry dispersion, and in the intensity of knowledge spillovers. Scenarios are identified where although it is optimal for the technological leader to locate in isolation, from a welfare perspective it would be desirable that she locates in the cluster.     

多重委托代理下医生最优激励模型设计探究

"过度医疗"即指超过疾病实际需求的诊断和治疗的行为。医疗服务的特殊性,使患者、医生、监督方之间存在信息不对称和多重委托代理关系。鉴于此,从政府的第三方监督职能出发,将政府和患者作为共同委托人,避免政府与医院之间道德风险的发生,构建医生作为代理人的最优激励模型,并得出相关结论与启示。