信息物理融合系统软件可信性演化动力学建模

信息物理融合系统(CPS)软件可信性建模是CPS可信软件开发过程中至关重要的一环,现有的形式化方法、软件验证技术并不适合对CPS软件可信性动态演化进行描述和分析。在深入分析CPS可信软件动态演化过程的基础上,结合非线性动力学的基本理论和方法,研究CPS软件可信性演化的动力学机制,对CPS软件在内外双重因素影响下的可信性演化过程进行建模,并分析其可信性演化规律,为CPS软件可信性研究提供了一种新手段。通过对一个工业控制领域中CPS软件的建模与分析,验证了该方法的可行性。     

Leadership marketing: an exploratory study

In an era when collaboration is the key to business prosperity, the ability to develop one truly coherent and agile brand lived by its employees and delivered to external stakeholders has become extremely challenging. Unity between the internal brand and a company’s external image, when change is the only constant, has almost ceased to exist. The marketing function is frequently underemphasised at board level and its role is often devalued in leading organisational change. This paper concerns how marketing can partner with organisational leadership for a mutually beneficial exchange of skills and capabilities to be able to reinvent organisations rapidly enough to cope with shifts in the external business environment and create a sustainable future for the business. This paper explores the concept of “leadership marketing” from an interpretivist perspective which challenges the conventional view of marketing and leadership as two separate fields and offers a holistic approach for business management and brand alignment.     

无线传输中短码长喷泉码的度分布优化算法

数字喷泉码是针对大规模网络数据分发而提出的一种新的信道编码方式。度分布是决定数字喷泉码译码性能的关键因素。为提高译码性能,针对应用于无线信道的喷泉码提出了一种度分布优化的算法。首先,根据理想孤子分布和鲁棒孤子分布产生度值序列,然后将该度值序列截短,在此基础上根据优化算法求解该序列中每个度值的最优概率,最后得到优化的度分布。仿真结果表明,本算法产生的度分布进行编译码产生的误码率低于鲁棒孤子分布和固定度分布,提高了译码性能。     

划拨土地使用权益基准地价评估方法探析

本文先简要介绍了几种常用的评估方法,并对划拨土地使用权权益基准地价评估进行研究,从而提出了基于土地增值收益分配理论的评估方法思路.     

What drives firms’ intent to seek strategic assets by foreign direct investment? A study of emerging economy firms

What drives firms, particularly those from emerging economies, to engage in competitive catch-up with world leaders? We study the first step leading to catch-up, namely the managerial intent to acquire strategic assets that help closing the gap. Theoretically grounded in the awareness–motivation–capability (AMC) framework of competitive dynamics, we identify key factors contributing to firms’ strategic intent to catch-up by acquiring strategic assets abroad. Using a sample of 154 Chinese firms, we find that firms’ strategic assets seeking intent of foreign direct investment is influenced by their exposure to foreign competition, their governance structure, and relevant financial and managerial capabilities.     

一种基于量子加密的软件定义网络南向安全防护策略

提出一种以量子加密技术为核心的软件定义网络（Software-defined Network,SDN）的南向安全防护策略,建立了基于量子密钥分发的SDN网络模型并分析了该模型下的身份认证、量子密钥分发和自适应免疫窃听流程。推导出了本策略下窃听攻击强度、用于检测窃听的量子态数目的比例α、系统发现窃听者的概率、密钥分发效率之间的定量关系。通过动态仿真分析确立了不同攻击强度下系统参数α的最优选值区间。SDN控制器可根据该仿真结果,动态地决策系统中α的取值进行自适应免疫密钥分发,实施更为精准的窃听免疫方案。     

Heterogeneity and netting efficiency under central clearing: A stochastic network analysis

This paper examines the effect of heterogeneity in clearing members’ exposure management practices under central clearing. Our network model specifies the dynamics of prenetted interbank exposures to shape interdependent exposure distributions beyond normality. Employing over-the-counter derivatives market data from the U.S. Office of the Comptroller of the Currency, our simulation results indicate that heterogeneity in bank-to-bank exposure dynamics is systemically desirable, while the entire system benefits more from the central clearing in more homogeneous environments. Policymakers should incentivize individual clearing members to enhance resiliency and stability in counterparty exposure management to maximize netting efficiency under central clearing.     

Functional income distribution,capacity utilization,capital accumulation and productivity growth in Turkey: A post-Kaleckian analysis

The aim of this article is to examine the relation between functional income distribution, capacity utilization, capital accumulation and productivity in Turkey by identifying demand and overall regimes prevalent in the economy. For this purpose, we conducted an empirical analysis using different specifications of the post-Kaleckian model of Hein and Tarassow. This model defines and characterizes an overall regime by endogenizing productivity growth and integrating it into the models in this tradition. Empirical findings show that while the demand regime is wage-led, the overall regime turns out to be unstable in Turkey due to the destabilizing impact of productivity growth. This article contributes to the literature by being the first study that simultaneously identifies the demand and the overall regimes of an economy.     

The nature of trade,global production fragmentation and inflationary dynamics: Cross-country evidence

This study investigates under which circumstances trade has impact on inflation dynamics by examining the independent effects of trade intensity, intra-industry trade and trade on value added. Trade in goods is decomposed into consumption (final) goods and intermediate inputs to deepen the assessment of the role of the globalisation of production activities on inflation dynamics. Open-economy new Keynesian Phillips curve (NKPC) analyses suggest that inflation is sensitive to domestic factors and that the relevance of external factors changes with respect to the nature of trade, country groups and time. Vertical intra-industry trade in intermediate inputs and value-added trade play important role, whereas final goods trade has no statistically significant effect on inflation dynamics.     

Financial globalisation and the labour share in developing countries: The type of capital matters

In this paper, we investigate how de facto financial globalisation has influenced the labour share in developing countries. Our main argument is the need to distinguish between different types of capital in this context as they differ in their effect on the host countries' production process and vary concerning their bargaining power vis-à-vis labour. Our econometric analysis of the impact of foreign direct versus portfolio investment in a sample of about 40 developing and transition countries after 1992 supports this claim. Using different panel data techniques to address potential endogeneity problems, we find that foreign direct investment has a positive effect on the labour share in developing countries, while the impact of portfolio investment is significantly smaller and potentially negative. Our results also highlight that de facto foreign investment cannot explain the decline of the labour share in developing countries over the investigated period.