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81.
本文在对北京市房地产业现状进行总体分析的基础上,针对其存在的主要问题提出了在新一轮宏观调控下的发展对策. 相似文献
82.
企业并购是企业进行资本扩张、促进企业间存量资源合理统流动的重要途径。对企业并购中的目标企企的选择、价值评估进行研究,构建我国企业并前过程中目标企业选择的评价指标体系,运用AHP法对目标企业选择进行定量化评估,将有利于企业通过并购后,实现资源的最优配置.保证企业经营机制协调、有效地运行。 相似文献
83.
Sample design and sample allocation methods are developed for random digit dialling in household telephone surveys. The proposed method is based on a two-way stratification of telephone numbers. A weighted probability proportional to size sample allocation technique is used, with auxiliary variables about the telephone coverage rates, within local telephone exchanges of each substrata. This makes the sampling design nearly “self-weighting” in residential numbers when the prior information is well assigned. A computer program generates random numbers for the local areas within the existing phone capacities. A simulation study has shown greater sample allocation gain by the weighted probabilities proportional to size measures over other sample allocation methods. The amount of dialling required to obtain the sample is less than for proportional allocation. A decrease is also observed on the gain in sample allocation for some methods through the increasing sample sizes. 相似文献
84.
Bilodeau Daniel Crémieux Pierre-Yves Jaumard Brigitte Ouellette Pierre Vovor Tsévi 《Journal of Productivity Analysis》2004,21(2):183-199
This research proposes an approach to measure hospital performance based on a generalization of Banker and Morey (1986) and Førsund (1996). This approach considers quasi-fixed inputs explicitly, calculates their implicit cost, and quantifies returns to scale. The performance measure is decomposed into allocative and technical inefficiencies. Based on a very complete data set of Québec hospitals, we find that significant inefficiencies of up to 17% ($700 CAN million) could have been saved through improved performance. Postestimation analyses that include qualitative measures of care suggest that differences in performance are attributable to differences in management or unobservable quality of care rather than patient case mix. 相似文献
85.
86.
税后资本平均产出的高低对私人部门投资决策产生重要影响,但是我国自1994年分税制改革以来,税后资本平均产出处于不断下降趋势,与此同时,财政支出规模呈不断扩大趋势。本文在财政支出解决市场拥挤框架下分析了财政支出对税后资本平均产出的影响,在理论分析中,说明财政通过增加支出缓解市场拥挤来影响税后资本平均产出,其影响程度由税率、财政支出的产出弹性、市场拥挤程度决定。在实证分析中,计量检验了世界范围内和中国地方政府财政支出对税后资本平均产出的影响,并结合现实对计量结果给予解释。 相似文献
87.
Trade intensity,country size and corruption 总被引:1,自引:0,他引:1
Abstract. Several authors claim to provide evidence that governmental corruption is less severe in countries where trade intensity
is higher or populations are smaller. We argue that theory is highly ambiguous on these questions, and demonstrate that empirical
links between corruption and trade intensity – or country size, strongly related to trade intensity – are sensitive to sample
selection bias. Most available corruption indicators provide ratings only for those countries in which multinational investors
have the greatest interest: these tend to include almost all large nations, but among small nations only those that are well-governed.
We find that the relationship between corruption and trade intensity disappears, using newer corruption indicators with substantially
increased country coverage. Similarly, the relationship between corruption and country size weakens or disappears using samples
less subject to selection bias.
Received: July 2001 / accepted: April 2002
We thank Anand Swamy and two anonymous referees for helpful comments and suggestions, Paul Schorosch for able research assistance,
and Ray Fisman, Roberta Gatti, Aart Kraay, and Shang-jin Wei for kindly providing data. The conclusions of this paper are
not intended to represent the views of the World Bank, its Executive Directors, or the countries they represent. 相似文献
88.
In this paper, we consider a continuum economy with a finite number of types of agent, and several private and public goods. The main result of the paper is that the graph of the equal-treatment Lindahl equilibria mapping is the unique abstract stable set with respect to the dominance relation in economies with crowding effects introduced by Vasil'ev et al. in 1995. The external stability of this mapping implies that, for any equal-treatment allocation x in , that is not a Lindahl equilibrium, there exists a subeconomy of such that one of its equal-treatment Lindahl allocations blocks x. This result is a counterpart of the theorem of Mas-Colell for Aumann's atomless market with private goods. 相似文献
89.
Andrew E. Clark 《Labour economics》1997,4(4):341-372
By most objective standards, women's jobs are worse than men's, yet women report higher levels of job satisfaction than do men. This paper uses a recent large-scale British survey to document the extent of this gender differential for eight measures of job satisfaction and to evaluate the proposition that identical men and women in identical jobs should be equally satisfied. Neither the different jobs that men and women do, their different work values, nor sample selection account for the gender satisfaction differential. The paper's proposed explanation appeals to the notion of relative well-being, especially relative to workers' expectations. An identical man and woman with the same jobs and expectations would indeed report identical job satisfaction, but women's expectations are argued to be lower than men's. This hypothesis is supported by the finding that the gender satisfaction differential disappears for the young, the higher-educated, professionals and those in male-dominated workplaces, for all of whom there is less likely to be a gender difference in job expectations. 相似文献
90.
YunTong Wang 《Review of Economic Design》2002,7(2):205-211
We consider the cost sharing problem with divisible demands of heterogeneous goods. We propose a cost sharing method called
Proportionally Adjusted Marginal Pricing (PAMP) method. PAMP is a nonadditive (in the cost function) extension of average cost pricing. We introduce an axiom called
Local Independence (LI) and use LI together with Continuity, Proportionality, and Scale Invariance to characterize PAMP.
Received: 23 March 2001 / Accepted: 16 November 2001
I thank Yves Sprumont, Hervé Moulin, and Ahmet Alkan for discussions, comments and suggestions. Thanks also go to the associate
editor and the referees, whose comments and suggestions greatly improve the paper. 相似文献