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11.
Escapism is one of the oldest concepts for the explanation of media use but is still lacking theoretical differentiation. The dimensions reason, means and duration of escape are used to differentiate three modes of escapism: modification, postponement and repression. Repression should be of special interest for communication science because media use on the one hand and long phases of escapism on the other hand are of higher probability in this mode than in the others. Hypotheses are formulated and empirically tested for the existential issues of death and the meaning of life. Results show that television is the preferred mean of escaping from displeasing thoughts. On the other hand we do not find a connection between the amount of television use and thinking about existential issues. The hypothesis of a narcotic dysfunction is not confirmed. For the matter of existential issues television seems to offer escape and stimulation at the same time. 相似文献
12.
Jeffrey C. Milder Deanna Newsom Claudine Sierra Volker Bahn 《Journal of Sustainable Tourism》2016,24(12):1727-1740
The tourism industry can negatively affect wildlife, plants and natural ecosystems through habitat destruction, pollution, over-exploitation of natural resources and visitor impacts to sensitive ecosystems. One approach to mitigate such threats is the application of voluntary sustainability standards, supported by training of tourism enterprises and verified by external audits. The Rainforest Alliance standard defines 78 criteria (requirements) for sustainable environmental, social and business practices, and has been adopted by over 600 tourism enterprises – including hotels, lodges and tour boats – in 12 countries. We examined the performance of 106 hotels in six Latin American countries against 29 of the sustainable tourism criteria most directly related to biodiversity conservation. Independent audits were used to assess hotel performance at baseline followed by a repeat assessment after training, about two years later. Mean conformance with the 29 biodiversity criteria increased significantly during this interval, from 44% to 58%. Improvements were greatest for businesses in the lowest third of performance at baseline (laggards) and smallest for hotels in the highest third (leaders). The results indicate that a voluntary sustainability standard and training program can serve both to recognize existing good actors and to drive incremental improvement in enterprises that were previously less sustainable. 相似文献
13.
Volker Brühl 《Wirtschaftsdienst》2017,97(2):135-142
Cryptocurrencies such as bitcoin were invented to facilitate instant payment services without the need for a central bank or financial intermediaries executing payments. Using cryptographic functions, any user of the bitcoin system can transfer units of the virtual currency globally on an anonymous basis. However, financial supervisory authorities are about to increase regulation of virtual currencies due to concerns that the anonymous character of the system facilitates money laundering and the financing of illegal transactions. Nevertheless, the underlying blockchain technology, or in broader terms the distributed ledger technology, may revolutionise several industries. This paper illustrates the functioning and recent market developments in the bitcoin industry as well as the disruptive potential of the underlying technologies. 相似文献
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15.
Volker Meier 《Metroeconomica》2004,55(4):409-431
The consequences of an increase in the minimum wage for foreign workers in the construction sector, implied by the EU Posted Workers Directive, are analyzed. Due to the rising price of construction services, the factor demand for both construction services and capital in the tradeable good sector falls, and the wage rate in this sector declines. While the share of domestic workers increases with respect to both foreign workers and capital in the construction sector, this need not suffice to reduce unemployment. A possible higher level of employment of natives is not sufficient to raise natives’ welfare. 相似文献
16.
A two‐country model is developed in this paper to examine the implications of fiscal competition in public education expenditure under international mobility of high‐skilled labor. The authors allow for educational choice, asymmetry of countries with respect to total factor productivity, and tax base effects of migration in source and host country. As the latter may give rise to multiplicity of equilibrium, alternative belief structures of mobile high‐skilled workers are carefully taken into account. The paper also looks at the consequences of bilateral policy coordination. While in line with other studies on tax competition, bilateral coordination can reduce the under‐investment problem in public education spending, it also tends to hinder migration or may even reverse the direction of the migration flow that materializes under non‐cooperative policy setting. As a result of its potentially adverse effects on migration patterns, bilateral coordination may therefore reduce global welfare and bring the world economy further away from the social planner's solution. 相似文献
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18.
Volker Wolff 《Publizistik》2000,45(2):226-227
Ohne Zusammenfassung 相似文献
19.
This paper compares the positive and normative implications of two alternative measures to promote R&D-based growth: R&D subsidies to firms and publicly provided education targeted to the development of science and engineering (S&E) skills. The model accounts for the specificity of S&E skills, where individuals with heterogeneous ability choose their type of education. Although intertemporal knowledge spillovers are the only R&D externality, the analysis suggests that R&D subsidies may be detrimental to both productivity growth and welfare. Moreover, they raise earnings inequality. In contrast to R&D subsidies, publicly provided education targeted to S&E skills are found to be unambiguously growth-promoting and neutral with respect to the earnings distribution. 相似文献
20.
Volker Meier 《The GENEVA Papers on Risk and Insurance - Theory》1998,23(1):49-61
This article investigates the interaction between life insurance and long-term care insurance markets on the demand side. In the model utility depends on both consumption and bequest, and utility from consumption is contingent on the state of health. While the demand for life insurance increases both with decreasing income and with a rising degree of altruism, the influences of these two parameters on the demand for long-term care insurance are ambiguous. If the utility shock arising from disability declines, both insurance demands will rise. 相似文献