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21.
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
22.
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
23.
Licheng Sun 《The Journal of Financial Research》2003,26(3):389-404
In this article I provide new evidence on the role of nonlinear drift and stochastic volatility in interest rate modeling. I compare various model specifications for the short‐term interest rate using the data from five countries. I find that modeling the stochastic volatility in the short rate is far more important than specifying the shape of the drift function. The empirical support for nonlinear drift is weak with or without the stochastic volatility factor. Although a linear drift stochastic volatility model fits the international data well, I find that the level effect differs across countries. 相似文献
24.
反倾销规则是 WTO允许的世界各国均可采用的维护公平贸易秩序、抵制不正当竞争的重要手段之一 ,其规则非常严密 ,主要是明确规定了反倾销必须同时具备的三个条件及反倾销的程序。WTO成立以后 ,各成员方纷纷修改本国的反倾销法律 ,我国于 2 0 0 1年 12月 10日颁布了《中华人民共和国反倾销条例》,使之与 WTO的反倾销规则相一致。同时 ,也在积极利用 WTO反倾销规则来反对他国反倾销的滥用。 2 0 0 1年引起各界广泛关注的欧盟对我国石材业反倾销申诉案 ,经涉诉的我国 2 7家企业的积极应诉 ,终以欧盟撤诉 ,我方取得全面胜利而告终。这是我国按照 WTO原则建立自我保护体系 ,有效保护本国经济利益和经济发展的重要举措。意味着我国政府也将利用反倾销这把“利剑”来保护国内企业 相似文献
25.
Productivity growth in Indian agriculture: is there evidence of convergence across states? 总被引:3,自引:0,他引:3
This paper explores the question of convergence in total factor productivity (TFP) in agriculture across fourteen major agricultural states of India. Using a Törnqvist–Theil index for TFP growth for the period 1973–1993, we find no evidence to support convergence to a single TFP level (σ‐convergence). After grouping the various states on the basis of their productivity performance, we find that the high‐performing states show a gradual movement towards the trend, whereas the low‐performing states generally show more volatility. Testing for long‐run convergence in levels of agricultural productivity, we find evidence of conditional beta‐convergence after controlling for state‐specific factors and idiosyncratic year‐specific volatility. The results are robust to alternative specifications of tests of unit root in panel data developed recently. 相似文献
26.
Scarf (Int. Econ. Rev. 1 (1960) 157) proposed a model of dynamic adjustment in which the standard tatonnement price adjustment process orbits around, rather than converges to, the competitive equilibrium. Hirota (Int. Econ. Rev. 22 (1981) 461) characterized the price paths. We explore the predictions of Scarf's model in a non-tatonnement experimental double auction. The average transaction prices in each period do follow the path predicted by the Scarf and Hirota models. When the model predicts convergence the data converge; when the model predicts orbits, the data orbit in the direction predicted by the model. Moreover, we observe a weak tendency for prices within a period to follow the path predicted by the model. 相似文献
27.
Money Growth Volatility and the Demand for Money in Germany: Friedman’s Volatility Hypothesis Revisited. — Recently, the Bundesbank claimed that monetary targeting has become considerably more difficult by the increased volatility of short-term money growth. The present paper investigates the impact of German money growth volatility on income velocity and money demand in view of Friedman’s money growth volatility hypothesis. Granger-causality tests provide some evidence for a velocity/volatility linkage. However, the estimation of volatility-augmented money demand functions reveals that — in contrast to Friedman’s hypothesis — increased money growth volatility lowered the demand for money. 相似文献
28.
Christoph Lülfesmann 《European Economic Review》2002,46(8):1379-1397
We consider a model where one region in a federation can realize a public project after undertaking value-increasing investments. While negotiations on the federal level ensure that an efficient project size is implemented in equilibrium, non-contractibility of investments causes the overall outcome to differ across regimes. If the region bears the entire implementation costs of its policies, underinvestment prevails and subsidiarity (centralized governance) is superior when spillovers are weak (strong). Conversely, if linear cost sharing arrangements are feasible, decentralized authority often admits a socially optimal outcome while centralized authority (with majority or unanimity rule) does not. 相似文献
29.
How does the presence of multinational companies affect plant survival in the host country? We postulate that multinational companies can impact positively on plant survival through technology spillovers. We examine the nature of the effect of multinationals using a Cox proportional hazard model, which we estimate using plant‐level data for Irish manufacturing industries. Our results show that the presence of multinationals has a life‐enhancing effect only on indigenous plants in high‐tech industries, suggesting the presence of technology spillovers. In contrast, multinationals compete with each other in low‐tech sectors in the host country. 相似文献
30.
Hans‐Martin Krolzig 《Oxford bulletin of economics and statistics》2003,65(Z1):769-801
Structural vector autoregressive (SVAR) models have emerged as a dominant research strategy in empirical macroeconomics, but suffer from the large number of parameters employed and the resulting estimation uncertainty associated with their impulse responses. In this paper, we propose general‐to‐specific (Gets) model selection procedures to overcome these limitations. It is shown that single‐equation procedures are generally efficient for the reduction of recursive SVAR models. The small‐sample properties of the proposed reduction procedure (as implemented using PcGets) are evaluated in a realistic Monte Carlo experiment. The impulse responses generated by the selected SVAR are found to be more precise and accurate than those of the unrestricted VAR. The proposed reduction strategy is then applied to the US monetary system considered by Christiano, Eichenbaum and Evans (Review of Economics and Statistics, Vol. 78, pp. 16–34, 1996) . The results are consistent with the Monte Carlo and question the validity of the impulse responses generated by the full system. 相似文献