Mergers,multiperiod Cournot competition,and Coasian dynamics

Under the simplifying conditions of product homogeneity, linear demand, symmetric and constant marginal costs, the static Cournot–Nash equilibrium predicts that exogenous horizontal mergers generate losses for the participants if the participants represent less than 80% of the firms in the industry. I successfully challenge the applicability of this well-known merger paradox to markets for durable goods by introducing Coasian dynamics to the quantity competition, while maintaining all other simplifying conditions. I demonstrate that exogenous mergers with a relatively small number of insiders in industries with a relatively large initial number of firms can be profitable as long as the common discount factor is sufficiently high and the decision-making horizon is sufficiently long. Unlike previous research on mergers in durable-goods industries, the significance of the decision-making horizon is emphasized; mergers that are unprofitable in a short-horizon version of my model for all values of the discount factor can prove profitable in a long-horizon version provided that agents are sufficiently patient.     

地方政治权力转移与企业社会资本投资周期--基于政企关系重构的动态研究

文章以2007－2012年我国A 股上市公司为样本,从政企关系重构的视角研究了地方政治权力转移对企业社会资本投资的影响。研究发现：(1)在地方政治权力转移当年,企业会显著提高社会资本投资力度。随着主政官员任期的增加,企业社会资本投资呈现下降趋势。这说明在主政官员任期内,企业社会资本投资呈现先增后减的周期性特点。这种周期性特点仅在民营企业中存在。(2)民营企业社会资本投资的周期性特点在地方官员来自外地、继任官员预期任期较长、管制行业以及融资约束程度高和无政治关联的企业样本中更加显著。(3)在地方政治权力转移当年,民营企业提高社会资本投资力度能够帮助其获得政府补助,但这种优势并不会立刻体现出来;同时,企业提高社会资本投资力度也会对自身的研发投入产生挤出效应,且挤出效应持续存在于继任官员的整个任期中。文章的研究为理解企业建立政企关系的手段、过程与效果提供了新的视角。     

政府换届、经济政策与政治经济周期

在梳理政治经济周期理论的基础上,比较中西方国家该理论前提、内在逻辑的差异,并从实际出发提出相关命题,建立计量模型,运用中国1953年～2008年的年度数据进行实证研究.结果表明,"两会"召开周期 (中央政府换届)与经济波动周期之间存在较显著的相关性;中央政府换届导致地方政府交流周期,政绩考核晋升机制使地方政府产生纵向、横向上的竞争,并形成周期性的经济发展举措,进而加大了对经济周期的影响;中央政府政治周期使财政政策、货币政策具有一定的顺周期特征,地方政府通过财政项目竞争、软预算约束以及货币信贷倒逼机制,扩大了财政政策、货币政策的顺周期性;在受到国际经济危机异常冲击时,我国财政政策、货币政策表现出平稳经济波动的特征.     

政府控制层级、CEO政治关联与代理成本:来自国有发电上市公司经验证据

笔者以国有发电公司为样本,采用Heckman两阶段回归方法,实证研究了CEO政治关联对代理成本的影响。结果显示,CEO政治关联会显著增大代理成本。其中,央企CEO政治关联会显著增大隐性代理成本,而地方国企CEO政治关联会显著增大显性和隐性代理成本,且其对代理成本的增幅明显大于央企,说明国企普遍存在的CEO政治关联加重了代理问题。     

政治关联、审计需求与会计信息质量——基于我国上市公司的经验证据

以2005—2008年在我国沪深两市的民营上市公司为样本,实证分析了上市公司的政治关系、会计信息质量与审计需求之间的相互关系。研究结果显示,有政治关系的上市公司更倾向于选择低水平的审计师,而选择低质量外部审计服务的上市公司的会计信息质量也更低。     

马克思《政治经济学批判大纲》、“经济学提纲”与中国经济发展模式

马克思《政治经济学批判大纲》(1857-1858)及其经济学提纲(8条)首次集中阐述了马克思政治经济学方法论尤其是逻辑体系构筑方法。提出了生产力(生产资料)的概念和生产关系的概念的辩证法、生产关系两分方法以及中介范畴等原创性思想,从而为探索中国经济学体系及其经济发展模式提供了方法论基础。中国经济发展模式应该跳出西方学者的模式中性论和价值中立论,努力挖掘《政治经济学批判大纲》及其经济学提纲(8条)中所蕴藏的当代价值,建构中国特色的经济发展模式。     

Political aspects of household finance: debt,wage bargaining,and macroeconomic (in)stability

The recent literature has shown that income inequality is one of the main causes of borrowing and debt accumulation by working households. This article explores the possibility that household indebtedness is an important cause of rising income inequality. If workers experience rising debt burdens, their cost of job loss may rise if they need labor-market income to continue borrowing and servicing existing debt. This, in turn, will reduce their bargaining power and increase income inequality, inducing workers to borrow more to maintain consumption standards, and so creating a vicious circle of rising inequality, job insecurity, and indebtedness. We believe that these dynamics may have contributed to observed simultaneous increases in income inequality and household debt prior to the recent financial crisis. To explore the two-way interaction between inequality and debt, we develop an employment rent framework that explicitly considers the impact of workers’ indebtedness on their perceived cost of job loss. This is embedded in a neo-Kaleckian macro model in which inequality spurs debt accumulation that contributes to household consumption spending and hence demand formation. Our analysis suggests that (a) workers’ borrowing behavior plays a crucial role in understanding the character of demand and growth regimes; (b) debt and workers’ borrowing behavior play an important role in the labor market by influencing workers’ bargaining power; and (c) through such channels, workers’ borrowing behavior can be a decisive factor in the determination of macroeconomic (in)stability.     

论周期中资本边际效率的演进、扭曲与崩溃——关于美国“次贷危机”的政治经济学解读

文章通过凯恩斯的资本边际效率(MEC)理论探讨了经济危机发生的条件、可能区域以及演进的机理,并对次贷危机进行了实证考察.文章认为,次贷危机是在美国政治周期推动下,制度结构和社会条件变迁改变危机进程所造成的危机叠加.在此基础上,文章对流动性过剩说、经济结构失衡说、负债消费模式说、国际金融体系说、新自由主义制度说等观点进行了辨析.