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71.
港澳珠大桥的方案选择与财务可行性分析 总被引:1,自引:0,他引:1
首先介绍了港澳珠大桥的主要方案及分歧所在,然后从区域经济角度进行客货量预测,根据客货量预测和区域基础设施的发展规划,探讨大桥的功能定位并选择最佳方案——中线方案,最后根据客货量预测探讨了大桥的财务可行性,得出结论,港澳珠大桥财务可行。 相似文献
72.
We investigate how unit (or specific) tax and ad valorem tax affect equilibrium location choice in a model of product differentiation,
which includes Hotelling (linear-city) and Vickrey-Salop (circular-city) spatial models as special cases. We find that neither
tax affects equilibrium location patterns as long as each firm has the same production cost. Two taxes can yield different
location patterns under cost heterogeneity among firms. 相似文献
73.
Marco Dardi 《International Review of Economics》2006,53(4):476-490
Pareto initiated the shift of economic theory from utility/preference to choice in order to fill a gap between theoretical
and empirical economics. His suggestions for an empirically-oriented theory of choice were to be developed decades later in
the literature on revealed preference and on the conditions of equivalence between preference-based and choice-based axiomatic
structures. In the process, however, substantial departures from Pareto’s implicit design of the situation of choice were
introduced. In this paper, the conditions for the rationalizability of choice are re-defined so that they fit the type of
situation that Pareto had in mind. The result is that the main consistency axioms of standard choice theory have to give way
to a different combination of axioms that concern decisiveness as well as consistency. (JEL:B13, D01, D11). 相似文献
74.
欠发达地区建设新农村的模式选择与借鉴 总被引:3,自引:0,他引:3
由于区域经济发展不平衡,我国欠发达地区新农村建设面临的困难要大得多。如何推进经济欠发达地区的新农村建设已成为我国新农村建设的重点。选择正确的发展模式对新农村建设具有重要意义。欠发达地区建设新农村模式的选择应坚持生态、富裕、文明等基本方略。部分农村发展模式的成功经验,可供欠发达地区参考和借鉴。 相似文献
75.
ABSTRACTProspect theory is widely thought to be one of the best-confirmed accounts of human decision-making under risk. There are numerous claims in the literature that various kinds of nonexperimental, observational evidence provide strong support for prospect theory. We investigate the veracity of these claims using a set of philosophy of science morals and a careful delineation of models of choice under risk, focussing on the extant versions of prospect theory and their various components. We challenge the claim that prospect theory is well supported because it explains the equity premium puzzle. In addition, we analyse a major international survey thought to support prospect theory and argue that the support is questionable, both for statistical reasons and because the evidence itself is mixed. Our analyses highlight some important ideas in the philosophy of science and caution against strong claims about support for prospect theory that rely on nonexperimental, observational evidence. 相似文献
76.
77.
Daniel?W.?MccollumEmail author Kevin?J.?Boyle 《Environmental and Resource Economics》2005,30(1):23-33
Tests of convergent validity and procedural invariance were used to investigate whether individuals lacking direct experience with a commodity can provide valid responses to contingent-valuation questions eliciting ex post use values. Convergent validity between samples with and without experience was shown to hold for dichotomous-choice responses, but not for open-ended responses. 相似文献
78.
Summary. The requirement that a voting procedure be immune to the strategic withdrawal of a candidate for election can be formalized
in different ways. Dutta, Jackson, and Le Breton (Econometrica, 2001) have recently shown that two formalizations of this candidate stability property are incompatible with some other
desirable properties of voting procedures. This article shows that Grether and Plott's nonbinary generalization of Arrow's
Theorem can be used to provide simple proofs of two of their impossibility theorems.
Received: August 15, 2001; revised version: March 11, 2002
RID="*"
ID="*" Parts of this article were previously circulated in somewhat different form in a working paper with the same title
by the second author. We are grateful to Michel Le Breton and an anonymous referee for their comments.
Correspondence to:J.A. Weymark 相似文献
79.
社区旅游发展中的问题及对策 总被引:3,自引:0,他引:3
陈永昶 《桂林旅游高等专科学校学报》2006,17(3):344-346
社区旅游发展中的一些问题具有普遍性,如社区参与、接待能力控制、公地悲剧等,这些问题解决不好会影响社区旅游的健康发展.运用微观经济学的理论,结合社区旅游发展的实际,分析现阶段社区旅游发展中的主要问题,着重论述社区旅游发展中的“公地悲剧”,并进行相应的对策分析,希望为社区旅游的发展提供一定的借鉴. 相似文献
80.
技术创新战略的选择对企业有着深远影响,甚至关系到企业的生存。如何建立有效的技术创新战略选择机制一直是困扰企业的难题。把企业技术创新战略选择机制的重点放在企业比较容易测度、使用的方法上来,对企业技术创新进行较为细致的风险估计、战略选择的博弈分析,并介绍了Logistic生长模型,为企业选择技术创新战略提供了便利的分析工具。 相似文献