略论民族地区城镇化与农村富余劳动力转移

本文指出民族地区城镇化水平低是制约农村富余劳动力转移的主要因素,只有加快民族地区的城镇化进程,推动大中小城市和小城镇协调发展,才能合理有效地解决民族地区农村富余劳动力的转移问题。     

论二十世纪六、七十年代"三线"建设与陕西工业

陕西工业的发展、变化与二十世纪六、七十年代国家"三线"建设紧密相关.在"三线"建设期间,国家强力度的直接投资,进行了大规模的工业建设扩张,使陕西工业"跳跃"式地进入现代工业化的行列.与此同时,以现代国防工业为主体的陕西工业经济结构日益完善.但是,陕西工业是计划经济的产物,因此,存在许多制约经济发展的问题,需要我们进一步正视.改革开放后,随着社会主义市场经济的日益确立,陕西工业经济的发展迎来了又一次新的历史机遇.     

电子商务-陕西经济腾飞的快车道

在西部大开发进程中,发展电子商务是陕西经济腾飞的快车道.电子商务可以改变陕西的闭塞状态,有效地进行广告宣传,提高产品价值实现率,加速资金周转,提高资金利用率,增强产品的比较优势.因此,创造条件,大力发展电子商务,对于促进陕西经济腾飞具有积极作用.     

Bayesian analysis of threshold autoregressions

A nonasymptotic Bayesian approach is developed for analysis of data from threshold autoregressive processes with two regimes. Using the conditional likelihood function, the marginal posterior distribution for each of the parameters is derived along with posterior means and variances. A test for linear functions of the autoregressive coefficients is presented. The approach presented uses a posterior p-value averaged over the values of the threshold. The one-step ahead predictive distribution is derived along with the predictive mean and variance. In addition, equivalent results are derived conditional upon a value of the threshold. A numerical example is presented to illustrate the approach.     

The asymptotic distribution of a pivotal quantity for a capture-recapture model

A pivotal quantity for a capture-recapture model is introduced and used to construct an asymptotic confidence region for (ε,N), where ε is the capture efficiency and N is the population size. The true confidence levels of certain regions are obtained by simulation. Certain confidence regions for (ε,N) are drawn to show the size of the regions and to show how confidence limits for N depend on ε.     

华人地区语言生活和语文政策研究

中国大陆、港澳台及东南亚华人居住地区的语言生活大多保存着本族语并大体通行普通话,同时也兼通差异不小的方言。各地现行的语文政策也有一些不同。这是历史文化发展的结果。现实生活存在着变异和分歧,应加强理论探讨和多做社会调查,以适应时代的需要;语言政策应遵循语言发展的规律,与时俱进,进行适当的调整;努力做到求同存异、因地制宜。     

西部大开发5年西部产业结构的演变

在西部大开发的5年中,西部地区产业结构的调整步伐逐渐加快,产业结构进一步升级并趋于合理。促进西部地区产业结构升级的因素有:包括中央投资在内的资金供给增长;居民收入水平提高后,消费结构升级以及对外贸易水平不断提高。为促进西部产业进一步升级,国家应大力改善投资环境,运用包括财政政策在内的一系列政策,带动西部特色产业的发展。     

从西部大开发看西部人的信仰价值观

人的信仰价值观居于价值观念体系的最高层次,是价值哲学和应用伦理学的重要课题.从区域经济、文化的实际出发,考察我国西部人信仰价值观的现状、成因、发展、趋向等问题,引导人们转变思想观念,树立与西部大开发相适应的信仰价值观,具有重要的理论和实践意义.     

Simulation study of confidence regions for canonical variate analysis

Canonical variate analysis often involves the construction of confidence regions round points representing group means in a 2-dimensional plot. Traditionally circles have always been constructed, but some authors have recently advocated ellipses as being more appropriate. This paper describes a Monte Carlo study investigating the effect of a range of factors on the inclusion rates of true population means within both types of region for normal data. The traditional circles do not perform too badly within a restricted range, but they are nearly always under-included. The ellipses usually have higher inclusion rates, and so are often closer to the nominal rate, but are sometimes over-included.     

西部旅游业跨越式发展对策研究

西部地区普遍拥有的优势旅游资源 ,为西部地区发展旅游优势产业奠定了坚实的基础 ,旅游业的特点决定了西部旅游业的跨越式发展将极大地促进西部地区经济社会的跨越式发展