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1.
Recycling of packaging material has become more or less mandatory in many European countries, including Norway. Through so-called voluntary agreements quantitative targets are set for the proportion of total waste to be recycled. At the same time the strategic objective for Norwegian waste policy is that there should be a socio-economic balance between different waste treatment options. On the basis of a cost-benefit analysis it is questioned whether the Norwegian recycling policy for liquid board containers really is cost-effective. The calculations show that the net social costs of the recycling system in 1999 amounted to EUR3.5 million. The high cost is due to the fact that these containers constitute a small fraction of total waste from the household and that it is costly to separate it from other waste. The environmental costs from landfilling or incineration are small compared to the costs of recycling. The best alternative, according to our analysis, is to incinerate the containers with energy recovery. 相似文献
2.
Ola Olsson 《The World Economy》2006,29(8):1133-1150
Many countries that produce rough diamonds have experienced a highly adverse pattern of economic development. In this article, we propose that the primary reason for the negative impact is that diamonds easily become the prize in predatory struggles between loot‐seeking rebels and more or less kleptocratic governments. In weakly institutionalised countries like Angola, the Democratic Republic of Congo and Sierra Leone, this theory works well, but it does not explain the impressive growth record of diamond‐rich Botswana and Namibia. For a deeper understanding of these countries’ success, we point at the crucial differences between kimberlite and alluvial mining and the effect of having the world‐leading firm De Beers as a partner. Indeed, we argue that in countries like Angola, diamonds can never be a major vehicle for sustained growth, although the ongoing Kimberley process for eliminating conflict diamonds probably has contributed to making several African countries more stable. 相似文献
3.
Walter Block Per Henrik Hansen Peter G. Klein 《American journal of economics and sociology》2007,66(2):457-464
A bstract . Even the most passionate defenders of free trade, such as Mises and Rothbard, claim that trade cannot occur under conditions of strict homogeneity of land, labor, and capital. We show that specialization, trade, and the division of labor can emerge even when resources are initially homogenous, due to "natural heterogeneity," economies of scale, and learning. 相似文献
4.
Business scandals such as Enron, WorldCom or Parmalat have sparked intense discussions on the quality of corporate governance as well as the trustworthiness of statutory auditors. It is therefore no surprise that regulators have issued a large number of new regulations concerning auditing. The civil liability of external auditors has not changed in Germany, but such changes have already been announced by the German government. An increase in the existing liability cap in cases of negligent misconduct and extended third-party liability are planned. As a consequence, the results of analytical research on this topic are highly relevant. This paper summarises and comments on prior analytical research, in particular its assumptions and results, and focuses on important elements for the design of a liability regime. To this end, the paper addresses the questions of joint–and-several vs. proportionate liability rules, negligent vs. strict liability regimes, the extent of third party liability, and limited vs. unlimited liability. 相似文献
5.
Many textbooks on project management present illustrations concerning the relative size of project attributes during different project phases. The derived models all have attributes in common, such as uncertainty, significance of decisions, and degree of freedom to maneuver, that are typically high in the beginning of the project and low in the end. At the same time, variables such as the accumulated cost and available information begin at low levels and end up at a high level at the end of the project. Based on empirical data from projects, this paper illustrates and quantifies one of these attributes, the freedom to maneuver, in different project phases. 相似文献
6.
This paper discusses consequences of violating the normal distribution assumption imbedded in Structural Equation Modeling
(SEM). Based on real data from a large sample customer satisfaction survey we follow the procedures as suggested in leading
textbooks. We document consequences of this practice and discuss its impact on decision making in marketing. 相似文献
7.
8.
This paper estimates the impact of the Chernobyl nuclear accident on domestic and international tourism in Sweden. From ARIMA
time series forecasts, outlier search, and intervention analysis based on regional monthly accommodation data from 1978–1989,
no effect on domestic tourism is found. However, there is an enduring deterrence effect on incoming tourism. The loss of gross
revenue from incoming tourism because of the Chernobyl accident, is estimated to 2.5 billion SEK. 相似文献
9.
10.
Jan Henrik Wosnitza 《Financial Markets and Portfolio Management》2017,31(4):469-489
Bond laddering is a popular fixed-income investment strategy. The main purpose of this paper is to develop a methodology for determining private investors’ most interest rate risk (IRR)-return-efficient investment horizon for bond ladders (BLs), which are virtually free of credit risk. Two IRR measures of a continuously rolling and homogenous BL (CRHBL) are analytically derived under the assumption that interest rates are martingales. The first measure is the modified duration, which assumes a flat term structure of interest rates. However, this assumption is not fully supported by the empirical data and, thus, an additional IRR measure is proposed. Under each of these two measures, the ratios between the annual return in excess of the demand deposit rate and IRR of CRHBLs with different investment horizons are calculated. As expected, CRHBLs with rather low IRR are most risk-return-efficient. The results for the theoretical CRHBLs also apply to “real-world” discrete BLs. Thus, the proposed methodology can help private investors construct IRR-return-efficient discrete BLs. 相似文献