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排序方式: 共有382条查询结果,搜索用时 15 毫秒
21.
Zusammenfassung In der vorliegenden Arbeit wird versucht, Feldsteins Hypothese, wonach die Sozialversicherung das Sparen dämpft, an Hand internationaler Querschnittdaten zu überprüfen. Ausgehend von einem Ansatz, den Feldstein aufbauend auf das Lebenszyklusmodell in den Jahren 1977 und 1980 entwickelte, wird versucht, die Validität der Ergebnisse in bezug auf Änderungen in den Variablendefinitionen, der Zeitperiode sowie der Sampleauswahl aufzuzeigen. Weiters wird der Einfluß von geringen Modellmodifikationen (Berücksichtigung der Arbeitslosenrate als Unsicherheits-bzw. Stimmungsindikator) sowie Änderungen der Schätzmethode (gewogene oder ungewogene Regression bzw. OLS oder TSLS) auf die Resultate untersucht. Die Ergebnisse zeigen, daß die Feldstein-Hypothese keineswegs als ein empirisch allgemein gültiges Gesetz angesehen werden kann, sondern eher als zufällig zustandegekommen. 相似文献
22.
Georg Serentschy 《Intereconomics》2018,53(5):287-290
The new regulatory framework in the digital sector in Europe is likely to fall short of expectations. A fragmented digital market with insuffi cient incentives for investment is the probable outcome. European regulators should abandon their approach in favour of a new and more flexible set of ideas discussed in this paper. 相似文献
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Consumers around the world are burdened by large amounts of unaddressed junk mail. Attaching “No junk mail” stickers to mailboxes offers a simple solution for protecting against unwanted ads. Presumably, the use of such stickers can be increased if consumers deliberately decide either for or against receiving junk mail. This conjecture of status quo bias was tested in a field experiment run with more than 900 households in Berlin, Germany. In one treatment, stickers were put into mailboxes, facilitating active choice. In a second treatment, stickers were attached halfway onto the outsides of mailboxes, forcing consumers to either remove or fully attach them. It was found that roughly a fifth of the sample attached a sticker after treatment. With uptake of more than 21, as compared to 16%, the forced choice was more effective than the active choice treatment. The findings highlight the importance of green nudges and defaults for promoting pro-environmental behaviour. Implications for landlords of the presented interventions are discussed. The field of social norms is identified as a promising area for extending the scope of the present study. 相似文献
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Does a commercial debtor's economic, environmental and social performance in terms of sustainability affect its credit risk rating? Does adding criteria aimed at assessing a lender's environmental, social or sustainability practices provide added value to traditional financial rating criteria? Many analyses have reported that a correlation exists between companies' environmental and their financial performance. We checked out the assertion that it ‘pays to be sustainable’ by analyzing the role that criteria pertaining to sustainability and environmental orientation play in the commercial credit risk management process. Our results show that sustainability criteria can be used to predict the financial performance of a debtor and improve the predictive validity of the credit rating process. We conclude that the sustainability a firm demonstrates influences its creditworthiness as part of its financial performance. Copyright © 2008 John Wiley & Sons, Ltd and ERP Environment. 相似文献
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This paper focuses on organizations and their management of climate risks. Climate risks stem from continued changes in climate means and the increase in frequency and intensity of extreme weather events. We ask whether companies also apply the usual process of corporate risk management to climate risks. In seeking to answer this question, we review several literature streams in order to set out an initial theoretical reflection. Based on this we conducted an exploratory case study with 11 electric utilities. Our results illustrate that these companies perceive climatic changes as a material issue for their business. However, management has restricted knowledge about such climatic changes and thus cannot precisely determine the potential negative impacts on business activities. As a consequence, the companies have implemented a climate risk management that does not differ from the usual process of managing other business risks. Our results further illustrate that there is some variation in how individual firms manage climate risks: While risk identification and risk assessment are equally important for all electric utilities, there are differences in how management determines the direction of the individual response to climate risks. Copyright © 2012 John Wiley & Sons, Ltd and ERP Environment. 相似文献
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Christian Pierdzioch Jan-Christoph Rülke Georg Stadtmann 《The Quarterly Review of Economics and Finance》2013,53(3):294-301
Given that the prices of gold and silver have witnessed large and substantial swings in recent years, policymakers and investors need readily available and reliable forecasts of the prices of these two precious metals. Survey data of forecasts of the prices of gold and silver provide a particularly rich data environment for policymakers and investors to study developments in the markets for gold and silver. Our research helps to develop a deeper understanding of the properties of survey data of the prices of gold and silver. We study the shape of forecasters’ loss function and the rationality of their forecasts. Assuming an asymmetric loss function weakens evidence against forecast rationality, but results depend on the empirical model being studied. 相似文献
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H. -A. Wagener Lex Hoogduin Harry Garretsen H. Visser P. L. C. Hilbers F. M. Tempelaar Charles van Marrewijk Georg Tillmann Fredderick van der Ploeg R. P. Zuidema A. R. Thurik A. Heertje Rainer Fremdling F. Hartog Dirk J. Wolfson C. G. M. Sterks Huib van de Stadt A. Szirmai D. P. Keizer 《De Economist》1990,138(2):197-232