在阅读教学中培养学生的思维品质

文章对在阅读教学中如何培养学生的思维品质进行了探索和研究。概括起来主要有四方面：采用三阶六步课堂结构模式；培养学生的问题意识；教给学生质疑和解疑方法；展示思维过程。     

CEO power and annual report reading difficulty

We examine the impact of CEO power on reading difficulty of corporate annual reports. We find that CEO power is positively related to reading difficulty, implying that annual reports of corporations with powerful CEOs are difficult to read and understand. More importantly, we find that the relation between CEO power and reading difficulty is moderated by earnings performance or corporate governance. Additional findings suggest that this relation becomes stronger for firms with lower financial reporting quality or for CEOs with shorter tenure. Our study not only joins the debate on the consequences of powerful CEOs but also uncovers several factors that moderate the relation between CEO power and annual report reading difficulty.     

经济新闻深度报道的深度构成

浓郁的经济味、较强的思辨色彩、观点的创新性、前景的预测性是经济新闻深度报道深度构成的突出特征。经济新闻深度报道的深度构成过程体现在良好的理论素养与宏观意识的审视相结合,内涵丰富的题材与全面深入地发掘相结合,多种表达方式与实写虚评相结合,多种文体形式与多种构成方式相结合。     

Heterogeneous returns to chemical fertilizer at the intensive margins: Insights from Nepal

Increased fertilizer use is considered important for agricultural development in low-income countries. Promoting increased use of chemical fertilizer by lowering its price may be ineffective if demand is price inelastic. In theory, the price elasticity of demand depends on the returns to its use, but the evidence is scarce. Furthermore, while returns are often estimated for small changes in chemical fertilizer use, returns to larger changes in its use (intensive margins) are less understood. Through the inter-zonal comparisons in Nepal, we provide indicative evidence that greater returns to chemical fertilizer are associated with greater price elasticities of demand. Moreover, the evidence suggests that returns at the intensive margins, rather than returns to small changes, may largely account for inter-zonal differences in returns to chemical fertilizer within Nepal. The results suggest that better understanding the returns at the intensive margins is critical for effective agricultural inputs policies in developing countries.     

The 2009 Recovery Act: Stimulus at the extensive and intensive labor margins

This paper studies the effect of government stimulus spending on a novel aspect of the labor market: the differential impact of spending on the total wage bill versus employment. We analyze the 2009 Recovery Act via instrumental variables using a new instrument, the spending done by federal agencies that were not instructed to target funds towards harder hit regions. We find a moderate positive effect on jobs created/saved (i.e., the “extensive margin”) and also a significant increase in wage payments to workers whose job status was safe without Recovery Act funds (i.e., the “intensive margin”). Our point estimates imply that roughly one-half of the wage payments resulting from the act were paid at the intensive margin. To provide a theoretical underpinning for the estimates, we build a micro-founded dynamic model in which a firm meets new government demand with a combination of new hiring and increasing existing workers׳ average hours. Faced with hiring costs and an overtime premium, the firm responds by increasing hours along both margins. Our model analysis also provides insight into how government spending policy should be structured to lower the cost of generating new jobs. Finally, we catalogue survey evidence from Recovery Act fund recipients that reinforces the importance of the intensive labor margin.     

Land prices and unemployment

We integrate the housing market and the labor market in a dynamic general equilibrium model with credit and search frictions. We argue that the labor channel, combined with the standard credit channel, provides a strong transmission mechanism that can deliver a potential solution to the Shimer (2005) puzzle. The model is confronted with U.S. macroeconomic time series. The estimation results account for two prominent facts observed in the data. First, land prices and unemployment move in opposite directions over the business cycle. Second, a shock that moves land prices also generates the observed large volatility of unemployment.     

长三角房地产业转变发展方式研究——以江苏南通为例

南通作为长三角北翼重要城市,其房地产业发展方式总体上仍然属于粗放式,具体表现为仍较多地沿袭传统的粗放式、耗能型的生产方式,产业发展动力单一,产业内部结构发展不均衡等,因此造成了震荡波幅较大、资源紧张加剧、房价上涨过快、产业形象欠佳、发展空间收窄等问题。今后应通过相关各方及时转变理念、大力推进住宅工业化等促进房地产业发展转型,从而保持房地产市场的健康发展。     

高校教育用地分类及现状调查分析——以吉林大学为例

随着社会不断发展进步,能够有效利用的土地资源越来越稀缺。对高校教育用地集约利用的研究逐年增加,但却鲜有对高校教育用地分类及现状调查分析的专题研究。借鉴《高校用地集约评价技术规程》,构建吉林大学教育用地分类体系,运用吉布斯·马丁的多样化指数对各类用地分析的基础上,绘制洛伦兹曲线得到各分类指标值,并结合Arc GIS软件阐述用地现状调查的过程,希望对高校教育用地的研究起到一定参考作用。     

厂商的密集性进入与产业链纵向关系治理——基于中国汽车产业的分析

随着产业进入管制的逐步放松,厂商的密集性进入不仅改变了产业链的横向市场结构,也为产业链纵向关系治理模式的重新选择创造条件.面对中国汽车产业发展的这一现状,本文在文献回顾的基础上,通过对一个连续古诺模型的分析,认为下游整车厂商的密集性进入将导致产业链的部分或完全分拆,其具体形式取决于初始状态和上游厂商的数量.最后,结合国际经验以及国内新近产业政策设计和汽车企业的策略实践辅以论证说明.     

关于状态空间方法中状态空间模型的札记（下）

章对状态空间方法中状态空间模型的基本思想进行了论述,并对一般献中未详细证明的部分给出了证明,便于从事实际工作的统计工作和自学领会和掌握该模型。