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91.
In the past twenty years, the video game industry has established itself as a significant contributor to the global entertainment economy. Compared to more established entertainment industries such as movies and music, limited scholarly research in marketing has addressed the processes that create value for companies and consumers in the context of video games which are now available on multiple devices (e.g., consoles, portables, mobile devices) and through multiple channels (e.g., retail and online). The authors therefore develop a conceptual framework of value creation through video games, highlight important findings from extant research in marketing and other disciplines, and apply the framework to derive future research opportunities. 相似文献
92.
Thorsten Käseberg 《Wirtschaftsdienst》2013,93(1):33-38
In market orders, consumer protection is a necessary complement to competition policy in order to secure competition on the merits and the functioning of markets. Insights from behavioural economics show that disclosure obligations may not help boundedly rational consumers and that the standard paradigm of the “responsible and sovereign consumer” has to be modifi ed. “Nudging” and “debiasing” may be instrumental in preserving market freedom, while at the same time helping consumers to achieve desired results. 相似文献
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Since the subprime crisis, portfolios based on risk diversification are of great interest to both academic researchers and market practitioners. They have also been employed by several asset management firms and their performance appears promising. Since they do not rely on estimates of expected returns, they are assumed to be robust. The same argument holds for minimum variance and equally weighted portfolios. In this paper, we consider a Monte Carlo simulation, as well as an empirical global portfolio dataset, to study the effect of estimation errors on the outcomes of two recently proposed asset allocations, the equally weighted risk contribution (ERC) and the principal component analysis (PCA) portfolio. The ERC portfolio is more robust to changes in the input parameters and has a smaller estimation error than the Markowitz approaches, whereas the PCA portfolio is even more unstable than the classical approaches. In the worst-case scenario, neither approach delivers what it promises. However, in every case the resulting return?Crisk relationship is dominated by the Markowitz approaches. 相似文献
95.
Thorsten Janus 《Review of Development Economics》2009,13(2):264-275
The author applies the theory of the soft budget constraint to explain some stylized facts regarding the outcomes and practice of international aid, including ineffectiveness, white elephants, and volatility. The soft budget constraint can also make aid counterproductive. Nonetheless, actual aid institutions may be constrained optimal responses to soft budgets and commonly suggested reforms such as improved donor coordination in aid, focus on fewer countries and projects, and less volatility of aid may lower the effectiveness of aid. The soft budget is also consistent with conservative project selection and the recent focus on "ownership." 相似文献
96.
This paper considers the pricing of corporate securities of a given firm, in particular equity, when investors do not have full information on the firm's asset value. We show that under noisy asset information, the pricing of corporate securities leads to a nonlinear filtering problem. This problem is solved by a Markov chain approximation, leading to an efficient finite-dimensional approximative filter for the asset value. We discuss several applications and illustrate our results with a simulation study. 相似文献
97.
Making prospect theory fit for finance 总被引:1,自引:0,他引:1
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The allocation of intellectual property rights between firms and employed researchers causes a principal-agent problem between the two parties. We investigate the working contracts of researchers employed by German chemical and electrical engineering firms at the turn of the 20th century and show that the firms were aware of the principal-agent problem and offered performance-related compensation schemes to their scientists. We show that past bonuses are positively correlated with current patenting, whereas past total income is negatively associated with current patenting. Thus, we discover a trade-off between level and structure of compensation on the one hand and patenting activity on the other. 相似文献