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排序方式: 共有83条查询结果,搜索用时 15 毫秒
1.
Simulated economic impacts in applied trade modelling: A comparison of tariff aggregation approaches
This paper assesses the performance of two recently developed tariff aggregators in reducing tariff aggregation bias by analysing Swiss beef market liberalisation scenarios. Specific relevant sources of bias are addressed: substitution effects on import demand, Tariff Rate Quotas and overprotection in tariffs. The aggregators are linked to a global large-scale partial equilibrium model and benchmarked against a standard aggregator. The choice of the aggregation method shows considerable effects on simulated economic impacts, specifically if the dispersion in tariffs or tariff cuts is large. A large bias is revealed in simulated gains from trade liberalisation using the standard aggregator. The impacts on traded quantities are found to be overestimated, while price and welfare effects can be higher or lower by switching to alternative aggregation methods. By reducing aggregation bias and depicting negotiated tariff schedules more directly, the proposed aggregators enhance the contribution of trade modelling to evidence-based policy making. 相似文献
2.
研究目的:现有文献对集体建设用地市场化改革的现实模式选择和路径演化归纳还相对薄弱。本文旨在基于观察不同类型集体建设用地(包括宅基地、经营性建设用地、公共基础设施用地以及征地)的市场化改革典型路径的基础上,探索不同模式在提升建设用地经济效率上殊途同归的共性规律,为城乡统一建设用地市场提供理论支撑。研究方法:案例分析与比较研究。研究结果:总结了本轮集体建用地市场化改革起点,刻画了宅基地、征地、统筹和入市4类市场化的典型模式或特殊现象,并对集体建设用地市场化规律做了初步探索。研究结论:集体建设用地市场化的现实路径是渐进式的"由点及面"的改革,现阶段改革创新需要关注三类收益分配问题,政府的规划和收益调节政策是地方探索市场化亟需的基础性规则,政府还应尽快对市场化中的各项权利开展立法工作。 相似文献
3.
渔业配额捕捞的制度构成及解析 总被引:1,自引:0,他引:1
渔业配额捕捞制度主要由TAC设定、分配配额、交易机制、监管措施等层面构成。其中,TAC设定主要由锁定目标鱼种、求取MSY、确立TAC三个层面构成;分配配额主要由配额发放对象和分配方法两个层面构成;交易机制则由参与交易的主体和客体、交易场所以及反垄断措施等层面构成;监管环节包括渔船监测系统、观察员制度、捕捞日志等措施手段。结合发达渔业国实践经验,通过对制度各层面的剖析,希冀为我国配额捕捞的启动实施提供有益参考。’ 相似文献
4.
This paper examines the provisions of the recently completed Uruguay Round and evaluates the qualitative and quantitative effects of the Round on major countries and regions of the world. The implications of the Uruguay Round are measured using the G-cubed multicountry model. This model captures macroeconomic and sectoral linkages within the global economy. This study differs from other studies in that it considers the dynamic adjustment path, the impact of expectations formation, and the sectoral as well as macroeconomic consequences of the Round. The results are compared with other studies of the Uruguay Round. Ignoring major changes in productivity induced by the Round, it is found that the gains to the world economy are likely to be around $200 billion (1990) per year by the year 2000. The distribution of the gains across regions from the Round differ from other studies because of the adjustment of international capital flows. Private capital flows to regions that undertake the most extensive liberalization initially worsen their trade positions. In regions that liberalize less and experience a capital outflow, the production gains tends to be less than conventional studies find. The adjustment of private capital has important implications for exchange rates, and therefore for the adjustment of the international trading system over the decade of the implementation of the Round. 相似文献
5.
Tom Tietenberg 《Environmental and Resource Economics》1995,5(2):95-113
Our knowledge about tradeable permit approaches to pollution control has grown rapidly in the two decades in which they have received serious analytical attention. Not only have the theoretical models become more focused and the empirical work more detailed, but we have now had over a decade of experience with them in the U.S. This article draws upon economic theory, empirical studies, and actual experience with implementation to summarize what we have learned about applying tradeable permits to air pollution control in the special circumstance where the spatial aspects of the problem are a prime consideration. 相似文献
6.
By fully accounting for the distinct tariff regimes levied on imported meat, we estimate substitution elasticities of Japan's two-stage import aggregation functions for beef, chicken and pork. Although the regression analysis crucially depends on the price that consumers face, the post-tariff price of imported meat depends not only on ad valorem duties but also on tariff rate quotas and gate price system regimes. The effective tariff rate is consequently evaluated by utilising monthly transaction data. To address potential endogeneity problems, we apply exchange rates that we believe to be independent of the demand shocks for imported meat. The panel nature of the data allows us to retrieve the first-stage aggregates via time dummy variables, free of demand shocks, to be used as part of the explanatory variable and as an instrument in the second-stage regression. 相似文献
7.
8.
Morten Søberg 《Environmental and Resource Economics》2000,17(3):259-277
This paper reports a preliminary experimental test of international quota trading on a market characterized by several dominant traders. Uncertain quota demand and supply imply true market-clearing prices that in general differ from an expected competitive quota price. However, in the experiment the expected price level emerges as a focal point on which the bulk of quota trade contracts are keyed. Thus, incomplete price discovery occurs. 相似文献
9.
Carlos Castillo Jorge Dresdner 《The Australian journal of agricultural and resource economics》2013,57(1):104-122
In this study, we analyse effort optimisation in common rights‐based joint‐stock artisanal fisheries when several objectives are pursued by the authorities and the fleets are heterogeneous. The purpose is to discuss policy options available to the authorities and their implications in terms of trade‐offs between goals. We apply a multi‐objective programming model to the sardine and anchovy artisanal fisheries in central southern Chile. The results suggest that the regulatory system generates inefficient solutions for profit and employment maximisation goals. Moreover, the fleet structure of the artisanal organisations is central for the outcomes obtained by different policy simulations. To improve effort assignment, the authorities should seek to increase flexibility in the system. 相似文献
10.
Using data from China Annual Survey of Industrial Firms and addressing potential endogeneity problem, we find that corporate tax burden in China is procyclical during recessions and countercyclical during booms. The cyclicality is stronger for enterprises whose corporate income taxes are levied by Local Tax Bureau (LTB). Procyclicality of corporate tax burden during recessions is larger for enterprises located in county, non-state-owned enterprises (non-SOEs), non-high-tech enterprises and large-medium enterprises. Furthermore, tax quotas and growth targets of local governments enhance procyclicality during recessions and the countercyclicality of corporate tax burden during booms. Tax collection and government spending are important channels through which tax quotas and growth targets affect the cyclicality of corporate tax burden, respectively. This paper provides important policy implications for China during economic recessions. 相似文献