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101.
魏琦 《生态经济(学术版)》2007,(1)
目前,我国工业二氧化硫排放量中有42%是火电厂排放的,因此高效控制火电厂的二氧化硫排放是提高空气质量的主要途径。美国利用排污权交易治理火电厂的二氧化硫排放取得了巨大的成功,不仅二氧化硫排放量大幅下降,而且排污权交易也被证明是成本最低的方法。借鉴美国的经验,可以为我国治理火电厂二氧化硫排放提供高效途径。 相似文献
102.
Abstract This study uses panel data on Canadian establishments to explore the relationship between the organization of work – in particular decentralization, information‐sharing, and incentive pay schemes – and innovation. Like other studies, ours finds a clear positive link between these factors. However, the data give strong indications that this relationship is not causal. We show that: (1) the correlation between workplace organization and innovation holds for information‐sharing but is much weaker for decentralized decision‐making or incentive pay programs, (2) controls for unobserved heterogeneity significantly weaken results, and (3) lagged variables give no clear evidence that organizational changes predate innovation. 相似文献
103.
Abstract This paper studies the entry and tax regulation of oligopolistically competitive privately run casinos and government‐run casinos in a jurisdiction. We highlight three important external effects from casino‐style gambling: non‐casino income creation, social disorder costs, and cross‐border gambling. The laissez‐faire equilibrium need not be overcrowding compared with regulated or government‐run regimes. Entry regulation may lead to higher jurisdiction welfare than tax regulation. Government‐run casinos always operate on a larger scale and achieve higher welfare than other regimes, given the same number of casinos. With an endogenous fraction of external gamblers, a dispersed casino configuration yields higher welfare than a centralized one. 相似文献
104.
This article analyzes the modelling of risk premia in CO2 allowances spot and futures prices, valid for compliance under the EU Emissions Trading Scheme (EU ETS). Similarly to electricity markets, a salient characteristic of CO2 allowances is that the theory of storage does not hold, as CO2 allowances only exist on the balance sheets of companies regulated by the scheme. The main result features positive time-varying risk premia in CO2 spot and futures prices, which are strictly higher for post-2012 contracts (€6–9/ton of CO2) than for Phase II contracts (€0–6/ton of CO2). Contrary to Benth et al.'s (2008) for electricity markets, a positive relationship between risk premia and time-to-maturity is found in the EU ETS. As for relative differences between CO2 futures and spot prices, CO2 futures traded between + 1% (December 2008 contract) and + 33% (December 2014 contract) above spot prices during February 2008–April 2009. Contrary to Bessembinder and Lemmon (2002) for the electricity market, a positive relationship between risk premia and the variance/skewness of CO2 spot prices is found. The futures-spot bias to the EU ETS explains around 1–6% of the variance of CO2 futures premia. 相似文献
105.
This paper looks at interactions between foreign aid and the public sector in developing countries, especially those considered to be fragile or failing states. A model is proposed which employs actual budgetary appropriations and revenue estimates (rather than estimated target variables) and allows for asymmetric preferences. Variants of the model are estimated using time-series data for Papua New Guinea (PNG). PNG is classified as a fragile state by the international community owing to perceived policy and institutional inadequacies. Results obtained suggest that foreign aid increases consumption and investment expenditures and decreases tax revenues and the level of borrowing. 相似文献
106.
The zero bound on interest rates introduces a new dimension to the trilemma in international policy. The openness of the international financial market might render monetary policy ineffective, even within a system of fully flexible exchange rates, because shocks that lead to a liquidity trap in one country are propagated through financial markets to other countries. However, the effectiveness of monetary policy can be restored by the imposition of capital controls. We derive the optimal response of monetary policy to a global liquidity trap in the presence of capital controls. We show that, even though capital controls might facilitate effective monetary policy, capital controls are not generally desirable in terms of welfare. 相似文献
107.
Jason Allen Robert Amano David P. Byrne Allan W. Gregory 《The Canadian journal of economics》2009,42(3):1132-1149
Abstract . This paper provides a detailed empirical analysis of Canadian city housing prices. We examine the long-run relationship between city house prices in Canada from 1985 to 2005 as well as idiosyncratic relations between city prices and city-specific variables. The results suggest that city house prices are only weakly correlated in the long run and that there is a disconnect between house prices and interest rates. City-specific variables such as union wage levels and the issuance of building permits tend to be positively related to existing city house prices. Surprisingly, there is mixed evidence with respect to standard measures of economic activity such as per capita GDP and interest rates. 相似文献
108.
Technology transfer through imports 总被引:1,自引:0,他引:1
Abstract . We study international technology transfer through R&D spillovers in sixteen countries' manufacturing industries since the early 1970s. The analysis shows that the productivity impact of international technology transfer often exceeds that of domestic technological change, more so in high-technology industries. Moreover, technology transfer is found to be strongly varying across country-pairs and tends to decline in geographic distance, pointing to goods trade as the transfer channel. We directly evaluate this hypothesis, and results suggest that trade is crucial for technology transfer from Germany, France, and the UK, while for the US, Japan, and Canada non-trade channels are more important. 相似文献
109.
B2C模式下转换成本对网上顾客忠诚影响实证研究 总被引:2,自引:0,他引:2
基于转换成本的视角,本文构建了一个影响网上顾客忠诚的概念模型。实证研究表明,网络程序转换成本、网络财务转换成本与网络关系转换成本这三种网络转换成本均正向影响网上顾客的行为忠诚度,只有网络财务转换成本和网络关系转换成本正向影响网上顾客的态度忠诚度。三种类型转换成本的构成因子对顾客的态度忠诚和行为忠诚的影响机理是不同的:利益损失成本、个人关系损失成本和品牌关系损失成本起着正向影响顾客态度忠诚的作用;评估成本、学习成本、利益损失成本和品牌关系损失成本起着正向影响顾客行为忠诚的作用。 相似文献
110.
Spatial growth and industry age 总被引:1,自引:0,他引:1
Klaus Desmet 《Journal of Economic Theory》2009,144(6):2477-2502
Between 1970 and 2000 employment growth across U.S. counties exhibited very different patterns in manufacturing and services. Whereas manufacturing employment growth was negatively related to initial manufacturing employment across the entire distribution of counties, service employment growth was positively related to initial service employment for intermediate sized counties. This paper presents a theory to rationalize these facts. Local sectoral growth is driven by technological diffusion across space and depends on the age of the sector. The theory correctly predicts the relation between county employment growth and initial county employment in manufacturing at the turn of the 20th century. 相似文献