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51.
By reexamining the effect of unemployment benefits on reemployment probabilities we make two contributions to the literature: first, we estimate separate effects for reemployment in the local or a distant region. Second, we address the problem of incomplete duration within a competing risks model. Our results confirm that missing data problems at first preclude any meaningful result even though we have access to daily individual data on 50 % of the male workforce in Germany. When we impose additional assumptions, we obtain evidence that the treatment effect depends on the household context, the treatment intensity and the destination state. 相似文献
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The study presents a framework for the analysis of advertising in digital games. It reviews literature on in-game advertising, advergames and advertising in social network games. The framework distinguishes between stimulus characteristics of the game as well as of the advertising that lead to psychological responses toward the game and the brand and to actual behavior toward the game and the brand. It takes into consideration individual factors of the player and social factors surrounding the player. In addition, theoretical models of advertising perception in digital games and issues regarding regulation are addressed. Directions for future research in the area of advertising in digital games are provided. 相似文献
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Ralf Boscheck Judith C. Clifton Daniel Díaz-Fuentes Mark Oelmann Christoph Czichy Monica Alessi Sébastien Treyer Janet Wright Martin Cave 《Intereconomics》2013,48(3):136-158
The European Commission’s proposal for a Directive on the award of concession contracts has sparked vigorous public debate and intense opposition. This Directive is controversial because of the nature of the policy it proposes and because the sectors involved are highly sensitive. This Forum examines the weaknesses of the Commission’s proposal and presents an overview of the current issues in water regulation and the provision of water services. The authors analyse the regulation of natural monopolies, water efficiency and upstream competition in the water industry. 相似文献
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Until now the promotion of renewable energies in Europe has been effected on the basis of different promotion systems of the Member States. Currently the EU-wide harmonisation of the promotion systems, from which yields of efficiency and a higher effectiveness are expected, cannot be enforced due to a discordance concerning the “right” promotion instrument.With the proposal for a directive on the promotion of renewable energies, published at the 23. January in 2008, the European Commission attempts to make a first move towards harmonisation. Besides existing promotion systems it will be possible to transfer Guarantees of Origin for renewable energies between Member States. Since, however, some Member States expect negative effects as a consequence of opening their markets the proposal comprises opportunities to restrict the transfer. The present scope of interpretation within the proposal allows for different options concerning the design of the transfer restrictions. These will be identified, analysed, and subsequently evaluated in this article. Despite of both extreme options, the possibility to entirely opt out of the transfer system and the obligation to completely participate in the transfer system, two further hybrid options are discussed. The latter are characterised by the possibility of Member States to restrict the transfer of Guarantees of Origin to a certain extent through a “system of prior authorisation”. 相似文献
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The Causal Relationship Between Real Estate and Stock Markets 总被引:6,自引:1,他引:5
Okunev John Wilson Patrick Zurbruegg Ralf 《The Journal of Real Estate Finance and Economics》2000,21(3):251-261
This paper examines the dynamic relationship that exists between the US real estate and S&P 500 stock markets between the years of 1972 to 1998. This is achieved by conducting both linear and nonlinear causality tests. The results from these tests provide a number of interesting observations which primarily show linear relationships to be spuriously affected by structural shifts which are inherent within the data. Linear test results generally show a uni-directional relationship to exist from the real estate market to the stock market. However, these results are not consistent with financial theory and for all sub-samples of the data. In contrast, the nonlinear causality test shows a strong unidirectional relationship running from the stock market to the real estate market, and is consistent in the presence of any structural breaks. 相似文献
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