我国住宅二级市场存在的问题及对策

说明了住宅业在国民经济中的重要性以及住宅二级市场的内涵 ;分析了目前住宅二级市场存在的开放程度不够 ,房屋确权不明确 ,中介服务不规范等多方面的问题 ;并提出笔者的几点建议思考 ,旨在开放住宅二级市场以促进我国住宅产业的新发展     

论中、高等职业技术教育的衔接

中、高等职业技术教育衔接的渠道不畅 ,这是影响我国职教整体快速发展的一个原因 ,也是一个急需解决的问题。中、高等职技教育的衔接有其必要性、可行性 ,两者的衔接有一定的原则与形式     

Estimating the probability of winning (losing) in a gambler's ruin problem with applications

In a classical gambler's ruin problem, the distribution of the number of games lost till ruin is considered, which we call the lost game distribution (LGD). Some applications of LGD in the theory of queues, in the theory of epidemic and in certain clustering and branching models are mentioned. The maximum likelihood estimation of LGD in the framework of modified power series distribution (MPSD), introduced by the author (1974), is studied. The variance and bias of the MLE are given and the actual mean of the MLE is obtained by discussing the negative moments of the MPSD in general. The minimum variance unbiased estimator of θ^k (k≥1) is obtained employing the technique developed by the author (1977) for the class of MPSD.     

Emergency stocks: A theoretical analysis and an illustration for Israel

The paper develops a methodology for designing and evaluating the performance of emergency stocks. The system is required to meet consumers' demands in all emergency situations at a given level of reliability and least possible costs. The model takes into account the various stochastic elements that determine the performance of the system, including the frequency of emergency situations and their expected duration, the pace of replenishing the stocks, the consumption rate in an emergency situation, and the opportunity for stock building prior to the occurance of an emergency on the basis of advance information about the severity of the strategic situation.     

中专并入高校后师资队伍建设的初步探索

中等学校并入高校后,师资队伍建设成为最突出的问题.根据高等教育的要求,应有针对性地对现有师资队伍进行改造和建设,以期在较短的时间内建设一支教学、科研过硬的师资队伍,实现中等教育到高等教育质的变化.     

Some methods for constructing C-designs

Block designs having a property described by Caliński (1971) and Saha (1976), referred to as C-property, are further considered. A necessary and sufficient condition for a block design to have the C-property is given by Saha (1976) and another by Ceranka and Koz?owska (1983). In this paper some methods for constructing such block designs are presented.     

On adaptive estimation

Point estimates that are weighted averages of other estimates are considered. They are adaptive because the weights are also functions of the sample observations.In particular, the weights are functions of new measures of peakedness and skewness. Five adaptive estimators are compared (in a Monte Carlo study using the swindle) to some of the usual estimators, including those robust ones of Huber and Tukey. In addition, the swindle constant is considered in some detail. All of the adaptive estimators do extremely well with an adaptive biweight statistic being the best one in this study. Suggestions are made about future directions in this area.     

Psychophysical measurement and the validity of the modern economic approach: A presentation of methods and preliminary experiments

The modern economic approach to human behavior and social interaction argues that people maximize the subjective theoretical quantity utility. This primary presupposition has resisted all empirical tests and a consensus has developed that it is unfalsifiable. A promising new approach to the problem is introduced in the paper through research on the psychophysical measurement of the marginal utility of money and commitment. The research reported here suggests that the utility function for money conforms to the power law and has an exponent of about .43. The paper also examines the advisability of broadening the utility function to cover social variables. An operationalization of the concept of commitment was examined using psychophysical techniques with the result that people appear to have utility for commitment, that a power function is involved, and that the exponent is in the vicinity of .36.     

Laws of large numbers for bootstrappedU-statistics

For the bootstrapped mean, a strong law of large numbers is obtained under the assumption of finiteness of the rth moment, for some r>1, and a weak law of large numbers is obtained under the finiteness of the first moment. The results are then extended to bootstrapped U-statistics under parallel conditions. Stochastic convergence of the jackknifed estimator of the variance of a bootstrapped U-statistic is proved. The asymptotic normality of the bootstrapped pivot and the bias of the bootstrapped U-statistic are indicated.     

数学分析中“开放型问题教学”浅析

数学分析中“开放型问题教学”浅析张士勤（南阳师专数学系）当前，由于在高考试卷中陆续出现“开放型题”，因此有关“开放型问题”的讨论逐渐成为人们的热门话题。但大都谈的是中学数学教育问题。本文想谈一下在数学分析课中“开放型问题”的教学。所谓“形放型问题”就...