منابع مشابه
Rival Reactions
Mergers and acquisitions (M&As) are major events, reshaping competition among related firms (traditionally called rivals). Despite their seeming importance, most M&A studies have found only a limited empirical impact on rival stock prices. Our paper revisits this issue using a novel approach to characterize the degree of interactions among related firms based on their stock return correlations ...
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In the traditional setting of routing games, the standard assumption is that selfish agents are unconcerned with the performance of their competitors in the network. We propose an extension to this setting by modeling agents to consider a combination of their own performance as well as that of their rivals. Per agent, we parameterize this trade-off, thereby allowing agents to be partially selfi...
متن کاملStrategic Seeding of Rival Opinions
We present a network influence game that models players strategically seeding the opinions of nodes embedded in a social network. A social learning dynamic, whereby nodes repeatedly update their opinions to resemble those of their neighbors, spreads the seeded opinions through the network. After a fixed period of time, the dynamic halts and each player’s utility is determined by the relative st...
متن کاملRival ideas about binocular rivalry
Binocular rivalry has been used to investigate neural correlates of visual awareness. For this investigation to succeed, however, it is necessary to know what rivals during binocular rivalry. Recent work has raised questions about whether rivalry is between eyes or between stimuli. We find that stimulus rivalry occurs only within a limited range of spatial and temporal parameters--otherwise eye...
متن کاملAcetylation: a regulatory modification to rival phosphorylation?
The fact that histones are modified by acetylation has been known for almost 30 years. The recent identification of enzymes that regulate histone acetylation has revealed a broader use of this modification than was suspected previously. Acetylases are now known to modify a variety of proteins, including transcription factors, nuclear import factors and alpha-tubulin. Acetylation regulates many ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1901
ISSN: 0036-8733
DOI: 10.1038/scientificamerican11021901-21605bsupp