Simpler Probabilistic Population Forecasts: Making Scenarios Work

The traditional high-low-medium scenario approach to quantifying uncertainty in population forecasts has been criticized as lacking probabilistic meaning and consistency. This paper shows, under certain assumptions, how appropriately calibrated scenarios can be used to approximate the uncertainty intervals on future population size and age structure obtained with fully stochastic forecasts. As many forecasting organizations already produce scenarios and because dealing with them is familiar territory, the methods presented here offer an attractive intermediate position between probabilistically inconsistent scenario analysis and fully stochastic forecasts.     

Bayesian life test planning for the Weibull distribution with given shape parameter

This paper describes Bayesian methods for life test planning with Type II censored data from a Weibull distribution, when the Weibull shape parameter is given. We use conjugate prior distributions and criteria based on estimating a quantile of interest of the lifetime distribution. One criterion is based on a precision factor for a credibility interval for a distribution quantile and the other is based on the length of the credibility interval. We provide simple closed form expressions for the relationship between the needed number of failures and the precision criteria. Examples are used to illustrate the results.Received: October 2002 / Revised: March 2004     

基于集对分析法的地区大中型工业企业自主创新能力评价

为了对地区大中型工业企业自主创新能力进行全面、科学的评价,基于集对分析法,提出了地区大中型工业企业自主创新能力评价指标体系及综合评价模型。通过对我国30个省市区大中型工业企业的实证分析,表明该方法科学简便,具有很好的实用价值。     

矿渣微粉和磨细粉煤灰双掺混凝土的试验与应用

讨论了矿渣微粉和磨细粉煤灰双掺(简称FS双掺)在大体积混凝土以及高强混凝土中的试验与应用,以此体现了它们在经济上的显著效应。     

关于完善我国部门预算改革的基本思路

文章就如何进一步完善我国部门预算改革问题 ,从完善法规政策、改革预算科目、制定合理标准、调整相应机构等方面提出了一些建议。     

中国地区金融发展水平的评价与实证分析

从金融发展和经济基础两方面选择了FIR等指标,构建了评价中国地区金融发展水平的评价指标体系,以层次分析法确定指标权重,以阀值法进行无量纲处理,利用所构建的指标体系,对2004年中国31个省市的金融发展水平进行检验。认为,东中西部地区金融发展水平差异明显,金融发展形如一右端被拉长的"橄榄球";东部地区金融发展水平成"圆柱体"形分布;影响西部地区金融发展水平的是"经济短板";制约各省份金融发展的"短板"各不相同。     

国家规模对贸易投资便利化的影响——基于“一带一路”沿线国家数据的实证分析

以"一带一路"53个沿线国家为研究对象测算贸易投资便利化水平，并运用面板数据模型分析国家规模对贸易投资便利化的影响。研究发现：第一，2013年后，"一带一路"沿线国家的贸易投资便利化水平呈上升趋势。第二，在总样本和分时段样本中，国土规模对"一带一路"沿线国家的贸易投资便利化均具有显著的负向影响。第三，在分时段样本中，"一带一路"倡议提出前，居民收入规模是贸易投资便利化的重要影响因素，而倡议的实施使得贸易投资便利化不再受居民收入规模的影响。第四，在分区域样本中，各变量对贸易投资便利化的影响存在较大差异。基于此，本研究从国家规模的角度为"一带一路"沿线国家贸易投资便利化条件的改善以及中国在"一带一路"沿线国家的直接投资和双边贸易提出建议。     

是银行规模还是信息不对称?--中小企业贷款难的原因分析

中小企业从银行获得的融资十分有限.以Elod Takáts模型为基础的银行规模分析解释了银行规模与中小企业贷款的无关性,以Akerlof模型为基础的信息不对称分析解释了中小企业在贷款中的逆向选择问题.可以通过多种方式消除逆向选择问题,从根本上解决中小企业贷款难题.     

我国中小企业法律环境分析

促进中小企业发展的经济理论基础源于市场与政府的配置机制.促进我国中小企业发展要解决的前提性问题是要界定什么是中小企业,其次是如何建立中小企业发展的法律环境体系.     

Who are better monitors? Comparing styles of supervisory and independent directors

This paper compares the unobservable style effect between independent directors and supervisory directors on firm performance. Utilizing the unique Chinese board system with both independent and supervisory directors and a large panel data of 2,240 public firms from 2003 to 2017, this paper finds that both supervisory and independent style is crucial in determining variations of firm performance. The effects of both independent and supervisory director style are less significant when the “type II” agency problem is more severe in a firm. Moreover, outside independent director style is more effective when information costs are low or when firms need more outside resources, while inside supervisor director style is more effective when there are no major internal changes. Finally, the results also suggest that increasing qualified supervisor representations are beneficial to firms.