二异丙苯氧化合成二元酚可行性分析

本文从合成方法、原料、投资等几个方面把二异丙苯氧化制二元酚与其它合成二元酚的方法比较，分析其工业生产的可行性。     

The Relationship between Output and Unemployment with Efficiency Wages

Abstract. We construct a stylised model of the supply side with goods and labour market imperfections to show that an economy can rationally operate at a low-effort state in which the relationship between output and unemployment is positive. We examine data from the G7 countries over 1960–2001 and find that only German data strongly favour a persistent negative relationship between the level of output and rate of unemployment. The consequence of this is that circumstances exist in which market imperfections could pose serious obstacles to the smooth working of expansionary and/or stabilisation policies and a positive demand shock might have adverse effects on employment.     

基于C51单片机的MP3解码器的设计与实现

MP3编码标准压缩率高,压缩质量好,是广为应用的音频压缩格式。文章介绍了一种基于C51内核的单片机MP3解码原理,对系统的软、硬件部件进行了设计,实现了实时解码过程。     

Foreign direct investment and spillovers: gradualism may be better

Abstract.  The standard argument says that in the presence of positive spillovers foreign direct investment should be promoted and subsidized. In contrast, this paper claims that the very existence of spillovers may require temporarily restricting FDI. Our argument is based on two features of spillovers: they are limited by the economy's absorptive capacity and they take time to materialize. By letting in capital more gradually, initial investment has the time to create spillovers – and upgrade the economy's absorptive capacity – before further investment occurs. The economy converges to a steady state with a superior technology and a greater capital stock.     

A 3D theoretical model for green management：a case study of Chinese enterprises

Companies that not only abide by environmental regulations, but also discover new techniques and adopt newmanagement methods to reduce negative environmental impacts often have positive effects on corporate profitability. Inorder to meet the needs of sustainability of enterprises and protect environment, the concept of green management isdeveloped and regarded as an important direction of management theory of the 21st century. Though there are manytheories and practices about green management in western countries, they are built based on the developed marketeconomy, which are not suitable for Chinese enterprises absolutely. By analyzing the viewpoints and models of theoverseas and domestic experts and scholars, combining characteristic of China＇s market economy, this paper points outthe real connotation of enterprise green management - the combination of ecological harmony （harmony between humanand nature） with human harmony （harmony among people）, establishes a 3D theoretical model, points out the defects ofenterprise＇s green management in China, reanalyzes and redesigned enterprise green management, which paves the wayfor the deeper and broader development of green management.     

Sales recruiting—A major area of underinvestment

How does a firm decide whether the amount now being spent to generate sales force applicants is too much, not enough, or about right? This question can be answered by using information routinely generated by corporate activities and a relatively straight forward decision theory technique. To illustrate that technique, an analysis was conducted for a hypothetical but by no means atypical firm. The results suggest that many corporations could appreciably increase their overall profitability by spending more on sales force recruitment and selection.     

Determinants and consequences of soft budget constraintsAn empirical analysis using enterprise‐level data in transition countries1

This paper presents empirical work grounded in the soft budget constraint (SBC) literature. A loan is soft when a bank cannot commit the enterprise to hold to a fixed initial budget and/or the timing of repayment. Using data collected by the European Bank for Reconstruction and Development (EBRD) (Business Environment and Enterprise Performance Survey (BEEPS), 2002) in 26 transition economies, we analyze the determinants of managers’ expectations of having a soft loan. In particular, we find that managers’ expectations are lower when the initial financing requires collateral, and higher for larger firms and when firms had recently experienced financial distress. We also provide evidence that managers’ expectations influence their price responsiveness.     

基于身份保护的高效3GPPAKA协议

针对3GPP AKA协议中存在的安全缺陷,在消息中加入访问网络的身份信息,利用秘密令牌机制,提出了一种可以防止重定向攻击、SQN同步缺陷和用户身份信息泄露的改进方案,并对其安全性和效率进行了分析。分析表明,本方案可以有效解决上述问题,以较少的资源开销就能获取协议效率和安全性能的提高。     

基于eCos操作系统的仪器设备远程监控系统设计

现代仪器设备工作于恶劣环境中,传统的监控方式采用RS232、RS485等方式,其传输距离有限,不利于集中远程监控,文章开发一种基于eCos操作系统的新型远程监控系统,通过RS232接口和设备互联,实现远程信息获取功能。该系统成本低廉,采用WEB方式控制,使用方便。     

Debt policy, corporate taxes, and discount rates

This paper applies the standard risk-neutral valuation framework to tax shields generated by dynamic debt policies. We derive a partial differential equation (PDE) for the value of the debt tax shield. For a class of dynamic debt policies that depend on the asset's free cash flows, value, and past performance, we obtain closed-form solutions for the PDE. We also derive the tax-adjusted cost of capital for free cash flows and analyze the conditions under which the weighted average cost of capital is an appropriate discount rate. Finally, we derive closed-form solutions for equity betas, which differ from the formulas that have traditionally been used to lever and unlever equity betas.