家长式导师风格对研究生科研创造力的影响机制研究——学术激情与科研自我效能感的作用

明晰导师风格和研究生科研创造力的关系对提高研究生培养质量、完善培养机制具有重要意义.以社会交换理论、自我决定理论及社会认知理论为基础,构建了以家长式导师风格为自变量,学术激情为中介变量,研究生科研创造力为因变量,研究生科研自我效能感为调节变量的研究模型.通过对问卷调查数据进行回归分析和Bootstrap检验对研究模型进行了检验.结果表明:家长式导师风格的3个维度(仁慈导师风格、威权导师风格、德行导师风格)正向显著影响了研究生科研创造力和学术激情,学术激情的两个维度正向显著影响了研究生科研创造力;学术激情在家长式导师风格对研究生科研创造力的影响机制中有中介作用,其中强迫学术激情完全中介了威权导师风格的正向影响作用;研究生科研自我效能感对学术激情的中介作用有显著的强化作用.在研究生培养过程中塑造家长式的导师风格对提高研究生科研创造力具有积极的意义.     

基于个体为本模型的中国碳排放核算模型构建

为合理测算中国碳排放总量, 提出了以单个人为基础的碳排放核算模型。个体碳排放量受其物质资本与人力资本、消费倾向与投资倾向影响,而计算中国碳排放总量还应考虑人口增长的影响。对个体资本投资倾向提出合理假设,进而构建人口增长模型。最后,根据各省GDP分布情况,赋予模型一个初始财富值,核算出中国碳排放总量。     

Capitalism's growth imperative

A capitalist firm operating in a competitive market is subjectto a growth imperative, because uncertainty about the profitrate under a no-growth policy makes the firm's prospects highlyunattractive in finite time and bankruptcy practically certainin the long run. A no-growth policy determines consumption andinvestment so that they and capital would remain constant overtime if the latter's expected return were realised with certainty.Simulation is used to arrive at the probability of bankruptcyby the end of t periods and the expected values of capital andmoney, for relevant combinations of time and uncertainty undersuccessively more realistic models of a no-growth firm in acompetitive market. The sensitivity of the results to variationin the parameters in each of the models is evaluated. Finally,we establish that a plausible growth policy may achieve growth,but the problem of bankruptcy is not resolved.     

Excel在本科金融专业课程中的应用探讨——以金融专业核心课程《证券投资学》为例

本文以金融学专业课程《证券投资学》为例,借鉴经济学的分析框架探讨了教学中利用Excel电子表格软件进行教学的一些具体步骤,旨在提高教学质量,促进金融类专业建设。     

贝尔凹陷霍12井区断裂特征与构造样式

贝尔凹陷霍12井区主要发育两套明显断裂系,发育于铜钵庙组到南屯组的下部断裂系和大磨拐河组到伊敏组的上部断裂系,下部断裂展布主体为北东向,上部地层主体展布方向转化为南北向。霍12井区主要构造样式为铲式扇、翘倾断块等拉张构造样式,扭动构造样式及反转构造样式。     

浅议高校班级文化构建中的思想和学风建设

高校班级文化构建中的思想建设和学风建设是班级工作的两个重要方面,在构建和谐校园环境、营造优质学习氛围、引导学生健康成长成才的过程中发挥着重大作用。     

Two state capital accumulation with heterogenous products: Disruptive vs. non-disruptive goods

The paper considers the problem of a firm that, while producing a standard product, has the option to introduce an innovative product. The innovative product competes with the standard product and will therefore reduce revenues of the standard product. A distinction is made between innovative products that do or do not become even more relatively appealing as their market share grows (e.g., because of network externalities). It is shown that in the former case, which we call a “disruptive” good, history dependent long run equilibria can occur, which are in line with recent real life economic examples.     

深化教学管理 培养优良学风

学风建设是高校一项重要和长期的基础性工作,是高校管理永恒的主题,是培育高素质复合型人才的关键因素。本文从教学管理层面,分析要解决的问题,寻求有效的解决办法。研究在强化教学过程管理、加强教风管理、深化教学改革等方面,进行探索,寻求各种科学、可行、详细、有效的管理办法,建立相关的规章制度,形成一种有效、灵活、开放式的管理体制,为高校的学风建设提供借鉴。     

Equilibrium mean–variance reinsurance and investment strategies for a general insurance company under smooth ambiguity

This work investigates the equilibrium investment and reinsurance strategies for a general insurance company under smooth ambiguity. The general insurance company holds shares of an insurance company and a reinsurance company. The claims of the insurer follow a compound Poisson process. The insurer can divide part of the insurance risk to the reinsurer. Besides, the insurer and reinsurer both participate in the financial market and invest in cash and stock. However, the general insurance company is ambiguous about the insurance and financial risks and is an ambiguity-averse manager (AAM). The uncertainties over the insurance and financial risks are described by second-order distributions. The AAM aims to maximize the average performance of the weighted sum surplus process of the insurer and reinsurer under the mean–variance criterion and smooth ambiguity. We present the extended Hamilton–Jacobi–Bellman (HJB) system for the optimization problem combining the mean–variance criterion and smooth ambiguity. In the case that the second-order distributions are Gaussian, we obtain the closed-forms of the equilibrium reinsurance and investment strategies. At the end of this work, sensitivity analyses are presented to show the economic behaviors of the AAM.     

“Third World” Multinationals Revisited

Abstract

The notion of “Third World Multinationals” has always been, at least, slightly misleading, and has now also become obsolete, taking into account the dismantlement of most of the ideological divides between different political and economic blocks since the early 1990s, and the new rules of the games imposed by globalization. Furthermore, new multinationals emerging from China, and also from the former Soviet republics, are demanding a new and more flexible taxonomy. The present paper re-defines “Multinationals from Developing Countries” (MEDCs) and it reviews first, the current literature on multinationals, looking at the key factors which may explain the internationalization process of enterprises coming from outside the traditional, developed, and industrialised world, and also whether they may enjoy specific sources of comparative advantages, different from those ascribed to the old, established multinationals. A statistical appendix provides a brief but comprehensive survey of the current status of MEDCs, pointing out that, at the end of the day, there are roughly only four such enterprises in the usual rankings of the first one hundred multinational corporations, worldwide, and that the prospects of a forthcoming, and enhanced upgrading in the global corporate structure are heavily geared towards Asia. The data would also seem to support the argument that sheer “scale”, as such, of the enterprises does not explain a greater or lower degree of “transnationalization,” a conclusion which, added to that of the greater flexibility provided by the new information technologies, could be goods news for small-and medium-sized enterprises coming from the developing world.