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71.
Sebastian Bunnenberg Martin Rohleder Hendrik Scholz Marco Wilkens 《Review of Financial Economics》2019,37(2):234-255
Theory predicts that market‐timing activities bias Jensen's alpha (JA). However, empirical studies have failed to find consistent evidence of this bias. We tackle this puzzle in a nested model analysis and show that the bias contains an exogenous market component that is unrelated to market‐timing skill. In a comprehensive empirical analysis of US mutual funds, we find that the timing‐induced bias in JA is mainly driven by this market component, which is uncorrelated with measured timing activities. Measures of total performance that allow for timing activities are virtually identical to JA, even if timing activities are present in the evaluated fund. Hence, we conclude that JA is a sufficient measure of total performance. 相似文献
72.
73.
Advertising clutter and declining audience attention means advertisers need pretesting to ensure the effectiveness of their advertisements. This study uses, for the first time, a variable‐resolution display to measure viewers’ visual attention to advertising. The display features only the part of an ad that corresponds with the observer's eye gaze with high acuity, whereas the resolution of the other parts reflects the decline in spatial resolution of the human visual system. Participants keep the highest resolution area aligned with their foveal vision using manual cursor movements. In accordance with neuroscientific theory, recorded cursor movements parallel the eye gaze patterns observed in a control group. However, unlike tracking eye movements, the instrument offers a simple, unobtrusive, low‐cost, and time‐efficient way to measure the effectiveness of visual advertising. The results encourage the use of goal‐directed manual pointing movements to indicate attentional signals generated in the brain. 相似文献
74.
75.
We study option pricing and hedging with uncertainty about a Black–Scholes reference model which is dynamically recalibrated to the market price of a liquidly traded vanilla option. For dynamic trading in the underlying asset and this vanilla option, delta–vega hedging is asymptotically optimal in the limit for small uncertainty aversion. The corresponding indifference price corrections are determined by the disparity between the vegas, gammas, vannas and volgas of the non-traded and the liquidly traded options. 相似文献
76.
This paper studies the importance of politicians’ qualification, in terms of education and experience, for fiscal outcomes. The analysis is based on a large panel for 2031 German municipalities for which we have collected information on municipal budgets as well as the election results and qualification levels of mayoral candidates. We principally use a regression discontinuity design focusing on close elections to estimate causal effects. We find that mayors with prior experience in office have a tendency to reduce the level of local public debt, lower total municipal expenditures and decrease the local taxes, even though these results are only significant in some specifications. In contrast, the education level of the mayor exerts no significant effects on the overall fiscal performance of the municipality. The results are partly surprising as both education and experience are shown to matter greatly in the electoral success of mayoral candidates. 相似文献
77.
In recent years, participation in flamenco, as a cultural art form, has gained momentum within Spain and internationally. Engagement in flamenco music and dance workshops in Spain has also become an increasingly significant tourism activity. Despite this trend, little research has looked into the nature of leisure experiences of flamenco. This paper seeks to address this knowledge gap by exploring how tourists experience flamenco music and dance courses in the city of Seville. Through a grounded theory research strategy in which in-depth interviews were conducted with 20 participants, the study reveals that four key themes characterise tourists’ experiences of flamenco. These are: the social and physical environment, which refers to physical flamenco spaces in Seville and tourists’ interactions with instructors and peers; secondly, the experience of challenge, characterised by hardship and sacrifice in the pursuit of flamenco; thirdly, activation of the sensual body or a sense of arousal; and lastly, an intrinsic and deep desire for self-discovery. The study demonstrates that the flamenco tourist experience strongly contributes to self-realisation and fulfilment of those who engage in it, or in other words, that the flamenco tourist experience is eudaimonic in character. The interview findings were linked to literature on self-realisation, self-fulfilment, true self, stress-related growth and related eudaimonic themes. Eudaimonia, or a sense of personal expressiveness and self-realisation, has not been previously established in this context. Therefore, the research findings provide a theoretical understanding of what a eudaimonic tourist experience of dance and music may look like. 相似文献
78.
Sebastian Kortmann 《Journal of Product Innovation Management》2015,32(5):666-684
Building on upper echelon theory and strategic process theory, this article analyzes the relationship between ambidexterity‐oriented decisions and innovative ambidexterity. While ambidexterity‐oriented decisions embrace the capability of top management teams to manage contradictory strategic directions, namely adaptability and alignment, innovative ambidexterity captures the ability of firms to simultaneously develop discontinuous and incremental innovations. In addition to the direct relationship between ambidexterity‐oriented decisions and innovative ambidexterity, it is argued that innovation orientation and cost orientation denote two cultural implementation mechanisms that mediate this effect. Using two top‐executive data sets collected in the United States (n = 83) and India (n = 78), the empirical analysis shows that innovation orientation and cost orientation partially mediate the direct influence of ambidexterity‐oriented decisions on innovative ambidexterity, thus further explaining how formulated decisions made by the top management team nurture ambidextrous innovation behavior. Hence, this article extends prior literature that emphasizes a positive influence of top managers on innovation through incorporating an organizational ambidexterity perspective. Second, this study contributes to ambidexterity literature through integrating strategic process theory. While ambidexterity‐oriented decisions primarily relate to strategy formulation, innovation orientation and cost orientation are associated with strategy implementation. The results show that both strategic subprocesses are vital in enabling ambidextrous innovation behavior. Third, an operationalization for the ability of top management to balance adaptability‐ and alignment‐oriented decisions is provided based on prior literature. 相似文献
79.
How and when do prior international experiences lead to global work? A career motivation perspective
While research suggests a link between individuals' prior international experiences and their future participation in global work, we know little about how and the conditions under which this relationship occurs. Drawing on career motivation theory, we conceptualize global identity as a mediator between individuals' density of prior international experiences—defined as the extent to which time spent in culturally novel countries has provided individuals with developmental opportunities—and their global work aspirations, which in turn leads to their global work involvement. Further, this multi-stage mediation model holds mainly when individuals receive positive feedback regarding their intercultural competencies (i.e., cultural intelligence) from their peers. We test our model using a multi-wave multi-source dataset spanning 6 years. We discuss implications for the literatures on prior international experiences and global careers. 相似文献
80.
Olivier Bargain Herwig Immervoll Andreas Peichl Sebastian Siegloch 《International Tax and Public Finance》2012,19(1):118-138
The distributional consequences of the recent economic crisis are still broadly unknown. While it is possible to speculate
which groups are likely to be hardest-hit, detailed distributional studies are still largely backward-looking due to a lack
of real-time microdata. This paper studies the distributional and fiscal implications of output changes in Germany 2008–2009,
using data available prior to the economic downturn. We first estimate labor demand on 12 years of detailed, administrative
matched employer-employee data. The distributional analysis is then conducted by transposing predicted employment effects
of actual output shocks to household-level microdata. A scenario in which labor demand adjustments occur at the intensive
margin (hour changes), close to the German experience, shows less severe effects on the income distribution compared to a
situation where adjustments take place through massive layoffs. Adjustments at the intensive margin are also preferable from
a fiscal point of view. In this context, we discuss the cushioning effect of the tax-benefit system and the conditions under
which German-style work-sharing policies can be successful in other countries. 相似文献