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41.
中俄关系经历了苏联时期和后苏联时期两个大的时期以及结盟、对立、关系正常化和不断提升与发展四个阶段,迄今已经成为面向21世纪的战略协作伙伴关系.这种关系本质上是双方国家战略利益相互借重的关系,在发展双边关系中,要扩大彼此国家利益的共同性,理性认识和妥善处理彼此国家利益的层次性和差异性,不断夯实战略协作伙伴关系的物质基础和社会基础. 相似文献
42.
Michael T. Rauh 《European Economic Review》2004,48(6):1287-1300
In this paper, we study the effects of wage and price controls on employment, output, and welfare in a simplified version of the Bénabou (J. Econom. Theory 60 (1993) 140) equilibrium sequential search model with bilateral heterogeneity. We show that a price ceiling increases output but the change in welfare depends on three effects: the reduction in aggregate search costs, the increase in surplus due to increased output, and the transfer of production to the least efficient firm. The model is formally identical to a standard equilibrium search model of the labor market so analogous results hold for the minimum wage. 相似文献
43.
Demand fluctuations and capacity utilization under duopoly 总被引:4,自引:0,他引:4
Summary. This paper studies the impact of uncertain demand on firms’ capacity decisions when they operate in an oligopolistic environment.
We define a two-stage game where firms choose capacity in the first stage without knowing which state of Nature is going to
realize, and output levels in the second, knowing which state is realized. We prove the existence of a symmetric subgame perfect
equilibrium at which firms are in excess capacity compared with the capacity they would choose in the Cournot certainty equivalent
game.
Received: May 17, 1996; revised version July 31, 1996 相似文献
44.
Dominique Lepelley 《Review of Economic Design》1994,1(1):289-299
Consider a three-alternative election with n voters and assume that preferences are single-peaked. LetC(λ,n) be the Condorcet efficiency of the rule that assigns 1,λ and 0 points (respectively) to each first, second and third place vote. An exact representation is obtained forC(λ,∞). This relation shows that Borda rule (λ=1/2) is not the most efficient rule. In addition to this result, exact closed form relations are provided forC(0,n),C(1/2,n) andC(1,n). All these relations are obtained by assuming that every admissible configuration of preferences is equally likely to occur.
This research was supported in part by the Swedish Insitute 相似文献
45.
Shouyong Shi 《Economic Theory》1997,10(1):99-133
Summary. This paper examines the relationship between specialization and the use of money in two versions of the search-theoretic
monetary model. The first version establishes a surprising result that specialization is more likely to occur in a barter
economy than in a monetary economy. The result is reversed in the second version where a different specification of preferences
is adopted to limit the scope of barter. This contrast between the results provides a concrete illustration of the general
argument that money encourages specialization only when it enlarges the extent of the market.
Received: January 31, 1995; revised version August 12, 1996 相似文献
46.
Michael Barrow 《Fiscal Studies》2003,24(3):361-381
The UK will introduce in 2004 a system of tradable permits for the landfill of municipal waste, in response to an EU directive setting limits on such activity. Tradable permits are becoming an increasingly popular method of dealing with some environmental issues — for example, sulphur dioxide (SO2) emissions in the USA. This paper describes the background to the landfill proposals and provides an analysis of how the permit system might work. Estimates are made of the possible savings in compliance costs of a permit system compared with a conventional ‘command–and–control’ approach. These estimates are subject to a considerable degree of uncertainty, related to factors discussed in the paper. 相似文献
47.
Economists often operate under an implicit assumption that the tastes of a decision maker are quite stable, while his beliefs change with the availability of new information. We show that for a general class of preferences, a separation of a key component of tastes, the utility function, from the other components of the representation is possible only if the decision maker's preferences satisfy a mild but not completely innocuous condition, called ‘certainty independence’. We also outline the axiomatic characterization of the preferences that obtain such separation, which are a subset of the biseparable preferences. 相似文献
48.
Andrew Dorward 《Agricultural Economics》2006,35(2):157-169
This article presents the development of a set of programming models describing the major features of different rural livelihoods and of the informal rural economy they together make up in Malawi. The models allow for differentiated responses by different household types to change and for the partial equilibrium effects of consequent supply, demand, and price adjustments in labor and grain markets. The models provide insights into the relations between own‐farm and nonown‐farm activities in different households' livelihoods and in the informal rural economy as a whole, and are used to investigate possible impacts of increasing cash crop prices and of a more open rural economy. Impacts of these changes on the poor are found to be critically dependent upon supply and demand elasticities in labor and grain markets, but the poor could potentially suffer significant losses from increased openness of the local economy leading to increased expenditure by less poor households on imported goods and services. 相似文献
49.
Wolfgang Buchholz Swapan Dasgupta Tapan Mitra 《The Scandinavian journal of economics》2005,107(3):547-561
In a standard exhaustible resource model, it is known that if, along a competitive path, investment in the augmentable capital good equals the rents on the exhaustible resource (known as Hartwick's rule), then the path is equitable in the sense that the consumption level is constant over time. In this paper, we show the converse of this result: if a competitive path is equitable, then it must satisfy Hartwick's rule. 相似文献
50.
Shmuel Weinberger 《Journal of Economic Theory》2004,115(2):377-384
The main goal of this paper is to show that if a finite connected CW complex admits a continuous, symmetric, and unanimous choice function for some number n>1 of agents, then the choice space is contractible. On the other hand, if one removes the finiteness, we give a complete characterization of the possible spaces; in particular, noncontractible spaces are indeed possible. These results extend earlier well-known results of Chichilnisky and Heal. 相似文献